Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52:124. 2007 (Syn: (≡) Trewia nudiflora L. (basionym));
.
Images by Surajit Koley & Paresh Chauri (Id by Neil Soares)

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commonly known as: false white teak, river portia • Assamese: bhelkol • Bengali: pitali • Garo: arurong, bol diktak, bol khap • Hindi: पिण्डालु pindalu, पिण्डार pindar • Kannada: ಕಾಡುಗುಮ್ಬಳ kaadugumbala, ಕಾಡುಕಮ್ಚೀ kaadukamchi • Khasi: dieng soh lyndot • Konkani: बोंवारो bomvaro • Lushai: thing-chingel • Malayalam: നീര്‍ക്കടമ്പ് niirkkatamp, പമ്പരക്കുമ്പിള്‍ pamparakkumpil • Manipuri: wangphop • Marathi: पेटारी petari • Nepalese: gurel • Oriya: pithaliya • Sanskrit: पिण्डारः pindarah • Tamil: ஆற்றுப்பூவரசு arru-p-puvaracu • Telugu: ఏరుపొణకు eruponuku • Urdu: پنڐارا pindara ;
.
Trevia nudiflora L. is a large deciduous tree. Leaves opposite,
ovate, acuminate, glabrous and bright green above, base cordate, 3-5 nerved, petioles 2.5 to 8 cm long, stipules minute, acute, soon falling.
.
Trewia nudiflora and Trewia polycarpa are two different species, where as former is found through out the country and later (with glabrous infls. and 2 locular ovary is distributed only in peninsular India (Saldanha). (As per the Forest Trees of Western Ghats book (authored by ex-IFS Mr S G Neginihal))
.
Fruit 3 cm, globose, not splitting …….T. nudiflora
Fruit 1 cm, ovoid, outer shell thin, splitting……………..T. polycarpa
Male flowering plants identical in both sp. Female flowers solitary in nudiflora and racemose in polycarpa.

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As per efi thread:
Male flowers have red calyx here (in M. polycarpus), whereas M. nudiflorus male flowers have greenish calyx..
.
The fruits of Trevia nudiflora are non-succulent, large, and hard and are tasty tit-bits for Rhino’s palate. And the seeds are deposited on dung-fertilised mud banks. So all along the river banks frequented by rhinos, trevia trees have consolidated their hold on the the land.
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Pictures of Mallotus nudiflorus: Here are some pictures of Mallotus nudiflorus (syn. Trewia nudiflora) that I took recently from Palakkad, Kerala, growing in the wild.



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Mallotus nudiflorus from Karnal GT Road Pye Pass Road side avenue tree
Family: Euphorbiaceae

pls validate


We are not accepting it as a Mallotus. We are treating it as a Trewia only.


We here on eFl are not guided by personal opinions. We follow recent treatment in International publications
Kulju, K. K. M. et al. 2007. Re-shaping Mallotus [part 2]: inclusion of Neotrewia, Octospermum and Trewia in Mallotus s.s. (Euphorbiaceae s.s.). Blumea 52:.
GRIN, WSCP and the Plant List treat the accepted name as: Mallotus nudiflorus (L.) Kulju & Welzen

.


tree 10.2011Igatpuri, Nashik: Tree (15-20 feet the one i saw)

bark peeling into Yellow white bark
Leaves opposite
ovate with acuminate apex
chordate base
10-17 cm long
crenate margin
petiole is long 15 cm not reddish more green brown
the leaf scar was seen on the bark when leaf was shed

the stem was fibrous as in the (tiliaceae, malvaceae, sterculiaceae etc)  group
local people call it petari and said that the fruits were edible
many of the malvaceae members are locally called petari… but i doubt if  they have opposite leaves.
I would appreciate even family identification as i have not been able to  observe the flowering
please let me know how to attach photographs to this message? or do i just mail them?

About pethari:
Mallotus nudiflorus (syn. Trewia nudiflora) shares this name with few other plants; your descriptions suits very well to this plant too.


But the leaves are crenate as per her description.


since it is first post, she did not know the procedure of attaching photos.
…, attributing “crenate” margin to what is found of leaves on young trees of Mallotus nudiflorus, it is rather coarsely dentate, not crenate.
… plant could be altogether different if the leaves have crenate margin; her comments needed.
Attaching some views of leaves in different stages of M. nudiflorus tree.
Embedded images attached for the benefit of those who are unable to view them among contents above.

Very nice photography, yes Trewia nodiflora


I realize I have spoiled this thread by putting photos to support my guess. Instead, should have merely put links.
… request makes sense.
…, if you do have photos related to this post, please start a fresh post.


This is a very important taxa from wildlife point of view. Extract from wikipedia on T.nudiflora.Trewia species are used as food plants by the larvae of some Lepidoptera species including the leaf-miner Bucculatrix verax, which feeds exclusively on Trewia nudiflora. The hard green fruit of Trewia nudiflora, which fall to the ground in large numbers during the monsoon season, are a preferred food of the Indian rhinoceros. The passage of its seeds through the rhino gut enhances its germination rate”. 



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Euphorbiaceae week- Trevia nudiflora L.: Trevia nudiflora L.  is a large deciduous tree. Leaves opposite,
ovate, acuminate, glabrous and bright green above,  base cordate, 3-5 nerved, petioles 2.5 to 8 cm long, stipules minute, acute, soon falling.
  In Dr. Almeida’s flora  Vol IV -B pg 354, it is mentioned that Nicholson et al (1988) attribute underground water indicator properties to this species.
The pictures attached are from the Dr. Salim Ali point trail at the south end of the forest in Mumbai which is very much sourrounded by lakes.
   We generally spell the generic name of this tree as Trewia but as per Kew Plant List the accepted name is spelled as Trevia and I have followed the same. A short explanation is give about the same in Dr. Almeida’s flora Vol IV-B pg 354-  and I quote ” The generic name Trewia is commonly used in taxonomic literature. However, the article 13.4 passed at Syndey Congress accepts that generic names first published in Species Plantarum should be accepted with same spellings as correct names”.
The synonyms as per Kew Plant List are as follows:
Trevia integerrima  Stokes
Trevia macrophylla Roth
Trevia macrostachya Klotzsch
Trevia nudiflora var. dentata Susila & N. P. Balakr.
Trevia nudiflora var (Benth) Susila & N. P. Balakr.
Trevia nudiflora var. tomentosa Susila & N.P. Balakr.
Trevia polycarpa Benth.

– one interesting fact…..
The fruits of Trevia nudiflora are non-succulent, large, and hard and are tasty tit-bits for Rhino’s palate. And the seeds are deposited on dung-fertilised mud banks. So all along the river banks frequented by rhinos, trevia trees have consolidated their hold on the the land. The sad part of the tale is that with the rhino tottering on the brink of extinction, so is trevia. Whether the trevia goes the way of the dodo tree or if it is destined to be lucky …..remains to be seen. [reference:Social life of Plants…Sukanya Datta]



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RV 1 Id 29022012: Please help me to identify this plant which I saw in Sunder Nursery, Delhi on 25th Feb,2012.


You are right, Sir, it is Trewia nudiflora (male). I had sent a set of pictures to … also for id. He confirmed it to be Trewia nudiflora and he has given the details of this species in his field guide, The Trees of Delhi.



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Can this be Trewia nudiflora ?


It looks like. I am not sure
Asian Plants


Yes agree with Trewia nudiflora



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24072011-BS-001 A tree from Karnal for ID:

A medium size Avenue tree from Mall Road Karnal haryana. planted by Forest deptt/PWD. these are about 20 trees are there in line.
fruit about 2.5 to 3.5 cm. Flowers not seen. Shot 18-6-11

my guess is Trewia


Any chance of Thespesia populnae ? The raw fruits are close to it.


Trewia nudiflora….Most probably


I have not seen fruits of both Trewia nudiflora and T populnae so cant say anything. One thing more i have seen T populnea in profusely flowering stage in those days only 2-3 days before or after in Karnal the same city


… the fruits of … posted plant does not look like that of Thespesia populnea.
A view of T. populnea : http://www.flickr.com/photos/dinesh_valke/2095676520/


…certainly not fruits of T. populnea.


Looks like Trewia nudiflora for me. I do not think that this is Thespesia.


Looks like Trewia nudiflora for me.


This does not look like Trewia nudiflora to me. Please check my photographs of T.nudiflora [Petari / Petani] available at this link


THERE IS a thread with a lot of good pictures of the leaves of Trevia nudiflora and fine writing by …
at efi thread
our own thread….

A second thought from my side.
This might be Trewia polycarpa. The new name is Mallotus polycarpus (Benth.) Kulju & Welzen of Euphorbiaceae family.


My photographs as requested.


Guess this is Beach Cordia (Cordia Subcordata) Family Boraginaceae


This is Trewia nudiflora of Euphorbiaceae


 


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leaf blister on Trewia nudiflora from Hooghly:

Attaching images of Trewia nudiflora leaves infested with blister disease. A search in the internet tells me that these blisters are caused by a fungus – Taphrina (http://www.britannica.com/EBchecked/topic/333773/leaf-blister).
Please read this post along with my earlier posts at and at– to establish the ID of the infected tree.
Moreover, a majority of these roadside trees are infected with these blisters, some severely while others are mildly.
Species : Trewia nudiflora L.
Habit & Habitat : tree, roadside plantation
Date : 15-03-2012, 10-22 a.m.
Place : Gobra (Hooghly), WB

ID help : Please see the links given in the text


These could be leaf galls. Please refer to my previous posts on this. Also this tree does not look like Trewia nudiflora to me. My photographs of Trewia nudiflora are available in the archives of this group.


It gave me many options and i did internet search a bit. the results are –

1) found galls posted by you at
3) found info on galls and ‘blister & curl’ at – Purdue
5) found info & pics of the same Trewia nudiflora at – Asian Plants
6) found another photo at – Nationaal Herbarium sourced from – NH
7) yet another photo at – Mpbd

Attaching some more photographs that i have recorded today for your perusal…


Can see that a lot of time & work has gone into this.

Agree with …. This could be Mallotus polycarpa [syn Trewia polycarpa]. Can’t really comment cause I have never seen this tree before, but it definitely is not Trewia nudiflora.


Thank you Sir once again… but i am still confused because this Mpbd website says T. polycarpa Benth. and T. nudiflora L. are same species!


Another link to add more confusion – http://www.theplantlist.org/tpl/record/kew-347305 !!!


Awaiting feedback in another thread

I do not know if these blister like growths are called leaf-blister or they are called ‘galls’. But the species is the same as in efi thread and the same has been identified as Trewia nudiflora by Dr. … and …


.


ID tree: Tree (15-20 feet the one i saw)
bark peeling into Yellow white bark
Leaves opposite
ovate with acuminate apex
chordate base
10-17 cm long
crenate margin
petiole is long 15 cm not reddish more green brown
the leaf scar was seen on the bark when leaf was shed

the stem was fibrous as in the (tiliaceae, malvaceae, sterculiaceae etc) group
local people call it petari and said that the fruits were edible
many of the malvaceae members are locally called petari…but i doubt if they have opposite leaves.
I would appreciate even family identification as i have not been able to observe the flowering
I tried to upload the photos but there seems to be some problem so i am fwding the link on flicker pls follow the same for the set of fotos of the plant
http://www.flickr.com/photos/69588091@N06/6325576954/


It does look like Mallotus nudiflorus.
Some views of M. nudiflorus at my flickr photostream:
Have observed flowering during months of Dec – Feb at Tungareshwar Wildlife Sanctuary.


i did c the ur photostream
only the leaf margin bothers me and also does the fact local people told us that the fruits were edible


Another plant which came to my mind is Ceriscoides turgida also has similar name Fetara or Petara
I don’t remember about its leaves but
–It has yellow bark; peeling.
— it is thorny.
Rubiaceae. Opposite leaves.
— Fruits Not sure if edible They look like Kavath.


this particular one was not thorny and do rubiaceae members have chordate leaves? i do not know.
could this one by one of the malvaceae trees or larger shrubs?


This should be Trewia nudiflora rightly known as Petari.


Thank you all for your help



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Tree for id 121209MK1: Please id this large, common riparian tree found in eastern ghats valley. I suspect this belongs to Euphorbiaceae.

Fruits 1-1.5inch across; leaves glabrous.

Date: 10 dec 2009


… wildly guessing it to be some species of Mallotus.


Could it be Trewia nodiflora ????


As per the details in the following link, the tree matches with Trewia nudiflora.

Forest  Flora of AP


… the leaves of this plant do not seem to be cordate, (the base of leaf rather resembles to that of Gmelina arborea) … a possible variation ?

Trewia nudiflora … synonym of Mallotus nudiflorus … commonly known as: false white teak, river portia • Assamese: bhelkol • Bengali: pitali • Garo: arurong, bol diktak, bol khap • Hindi: पिण्डालु pindalu, पिण्डार pindar • Kannada: ಕಾಡುಗುಮ್ಬಳ kaadugumbala, ಕಾಡುಕಮ್ಚೀ kaadukamchi • Khasi: dieng soh lyndot • Konkani: बोंवारो bomvaro • Lushai: thing-chingel • Malayalam: നീര്‍ക്കടമ്പ് niirkkatamp, പമ്പരക്കുമ്പിള്‍ pamparakkumpil • Manipuri: wangphop • Marathi: पेटारी petari • Nepalese: gurel • Oriya: pithaliya • Sanskrit: पिण्डारः pindarah • Tamil: ஆற்றுப்பூவரசு arru-p-puvaracu • Telugu: ఏరుపొణకు eruponaku • Urdu: پنڐارا pindara


Gmelina is impossible sir, there is no fulvous tomentose beneath the leaf nor aromatic.

Gmelina has yellow flowers that are larger.


No, No… I did not mean to ID as G. arborea.
Was comparing the leaves of the plant you posted … they are not cordate, but their base has the shape of G. arborea leaves.
Hope this clarification has not increased confusion.
T. nudiflora leaves are cordate … the link to Forest Flora of Hyderabad State – by M Sharfuddin Khan does descrobe the leaf base as ” … from a cordate or rounded base … “
The tree flowers when it is almost leafless.
Here are photos of what I believe as T. nudiflora (syn. of Mallotus nudiflorus) … Flickr

Hoping some comments to correct me or validate the ID further.


Attached picture shows the flowers of the same Trewia tree.


“i have observed Trewia nodiflora flowering when it is more or less leafless. (see … pics in Flicr.). this plant is in leaf so some doubts. also the fruit should have a deep line on one side, which is not visible in this pic.”


Trewia nodiflora


A search for images of Mallotus nudiflorus in the net results links of your flickr & flowersofindia uploads. The search result also yields pictures from this group. There is almost nothing outside this efI circle.
On the other hand a search for Trewia nudiflora yields images and data outside the above efI circle and some of those results matches with uploads from me, … and some other members.
Herbarium available in the net does not tell that the leaves of T. nudiflora / M. nudiflorus will have to be always cordate…. please see – Bgbm
Please also see – Mobot
Yet another – Bgbm

Could you please give me links of your info source?


Can anybody please tell me what is the meaning of the term “nudiflora“?

Some informations are available here – http://www.merriam-webster.com/dictionary/nudiflorous and here = Nargs.


Sorry, i have pasted a link twice, please replace the last link with this one – Kib


…, my reference for Mallotus nudiflorus is Shrikant Ingalhalikar’s field guide — Further Flowers of Sahyadri.
Trewia nudiflora L. is a synonym of Mallotus nudiflorus (L.) Kulju & Welzen …
The Plants List.


Thank you … for providing me your source of reference. Hope this field guide includes good illustraions/photographs of the Mallotus nudiflorus.



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isn’t it Trewia nudiflora ? from Hooghly 02-05-12 SK: Attaching fruit images of Trewia nudiflora L. that i recorded this morning.

But i am very confused regarding the ID. The fruits of Trewia nudiflora available in the net do not match with mine.
Even earlier efI posts by … and …() show different fruits.
If the fruits in these attached images are not of Trewia nudiflora then my earlier post of the very same tree () is not Trewia nudiflora.
Also attaching pictures of a red-whiskered bulbul & a white-throated kingfisher (State bird of West Bengal), perched on another Trewia tree, alongwith.
Species : Trewia nudiflora L. ???
Habit & Habitat : tree, roadside plantation
Date : 02-05-2012, 10.30 a.m.
Place : Gobra (Hooghly), WB

ID help : http://www.plantphoto.cn/tu.aspx?id=58571


I think this are the the fruits of Trewia nudiflora. I had seen similar fruits last year in Palakkad, Kerala.
The id of the tree was confirmed by a botanist friend of mine. Unfortunately I couldn’t photograph the fruits then.
As you said the fruits in the earlier posts by … and … does look different and it confuses me too.
Hopefully our experts will help to solve this confusion.


This may be Mallotus polycarpus (= Trewia polycarpa).
Pl check this link: efi thread


But this website Mpbd says T. polycarpa Benth. and T. nudiflora L. are same species!


Yes! This is Trewia nudiflora of Euphorbiaceae


Have many Trewia nudiflora [Petari / Petani] trees on my property at Shahpur [the photographs of which are available in the archives of this group for comparison]. I do not agree with this diagnosis.


I have also noticed the differences and i have mentioned it at the top of this post. Let us wait for more inputs 🙂


Attaching more images of fruit (scale in cm) and seeds. The fruit pic seems to me to conform the description given at – http://www.forestrynepal.org/resources/trees/trewia-nudiflora.

Though one of the attached pics shows 3 seeds the other one, cut into halves, clearly gives hint of four seeds.


This Trewia will give me sleepless nights! Pasting here two more relevant links :-

One ready reckoner – NH


Attaching Trewia nudiflora fruits


…. thank you very much for the attached photo.

I humbly request you to see the following link and give me your observations relating to the document content (i failed to understand many terms given in that document) – Leiden Univ.


As per the Forest Trees of Western Ghats book (authored by ex-IFS Mr S G Neginihal) Trewia nudiflora and Trewia polycarpa are two different species, where as former is found through out the country and later (with glabrous infls. and 2 locular ovaryIis distributed only in peninsular India (Saldanha) .


Please ignore this mail because i am pasting here some links (given elsewhere) for my own future reference –
1. My 1st post (inflorescence) :
2. My 3rd post (blister) : efi thread
…….. 2.A. (galls & blister) : Purdue
3. Trewia by …: efi thread
………3.A. Photos by …: Flickr
……….3.A.2. meaning of nudiflorus : http://www.flickr.com/photos/dinesh_valke/3113052298/
……….3.A.4. do : Nargs
……….3.B. herbarium : Bgbm

Attachments (3)


The original spelling is ‘Trevia’ which has to be followed.
Trevia nudiflora is recently transferred to Mallotus based on molecular studies and is now called Mallotus nudiflorus. For this purpose, in order to avoid a massive nomenclatural landslide, the name Mallotus has been conserved against Trevia.  However, me and Dr. Balakrishnan still consider that Trevia should be treated as a separate genus. An important morphological feature that separates Trevia from Mallotus is that the anthers of the former have no connective separating the anther thecae.  Further the ovary and fruits of Mallotus are muricate or often echinate whereas the fruits of Trevia are smooth.
Therefore we will stick to our treatment as given in Fl. India 23: 168. 2012.

 


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Plz id this tree: pa60 – 17dec2012: Plz id this tree with patchy bark from Yeoor region. Unfortunately no flowers and fruits seen right now.


This is Petari / Petani [Trewia nudiflora now Mallotus nudiflora]. My photographs of this are available in the archives of this group.



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Trewia nudiflora (Euphorbiaceae) Hooghly West Bengal:

Sharing images of what we call PITULI in Bengali. A common roadside tree flowering this time of the year (16/2/12). According to Wikipedia it’s germination is connected with Indian Rhinohttp://en.wikipedia.org/wiki/Trewia
ID & Info help –
2) FOI

Nice Catch. This tree is near to bloom in our area also (Panipat)


Awesome. Excellent photographs depicting all the plant parts. All the best.


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Yes it is Trewia nudiflora L.


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Tree for ID : Uttarakhand : 110413 : AK-3 : Attachments (3). 6 posts by 4 authors.

A tree seen in bloom with tiny flowers hanging near Jim Corbett Waterfalls on 24/4/13.

Id please.


Trewia nodiflora ?


Yes to me also, Trewia nudiflora


Amazing seen to see such a big inflorescences



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ID of the tree : 09042913 : RV 2 : Attachments (5).  7 posts by 5 authors.

Today we chanced upon this tree in SGNP (Borivali National Park), Mumbai, about 30 ft tall, near water body, flowering profusely………is this Trewia nudiflora (Petari) with female flowers?


Female flowers of Trewia nudifloraEuphorbiaceae, you can look around for male flowers, borne on dense pendulous racemes…


There is some confusion about the Trewia spp.
T. nudiflora Linn. has female flowers solitary or 2-3 together on long peduncles. The fruit are up to 4cm in diameter. The leaves tend to be longer than broad.
Trewia polycarpa Benth. has numerous female flowers in short racemes with fruit usually 1cm or less. The leaves are often as broad as long. Male flowers of both spp look the same.
I haven’t seen T nudiflora Linn at SGNP, but it is common in some other areas and quite distinctive. The common name Petari has been used for both species.


Trevia nudiflora


Nice presentation depicting all the characters of the tree beautifully.



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Requesting ID of this large tree – Mumbai :: 11092013 :: ARK-03 :: August 2013 : Attachments (3). 8 posts by 6 authors.
Requesting to please ID this large tree captured at SGNP, Mumbai in August 2013.


Not clear,but this could be Dhaman [Grewia tiliaefolia].


Thank … for the feedback. But the leaves of this do not look like Grewia leaves…


May be Trewia sp


Looks like Mallotus nudiflorus (L.) Kulju & Welzen (syn. Trewia nudiflora L.) to me…


Agree with … it is T. nudiflora.



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ID please :  Attachments (4). 5 posts by 4 authors.

Came across this huge tree yesterday (i.e on October 16th, 2013) at Chandigarh.
Tree – Large as shown with bark as shown
Leaves – longer than broad, dark green adaxially and Ash coloured abaxially. petioles (near the leaf lamina) and leaf lamina (near midribs) contain some nectaries
fruits, flowers – not seen.

Is it Trewia nudiflora ?


I want to know whether the leaves are opposite or alternate.


After considerable search I think that it is Trevia nudiflora L., a variable species, transferred to Mallotus as follows:
Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52: 124. 2007. However, in Flora of India, volume 23, it is treated as Trevia nudiflora with four varieties.


… is right in identifying it as Trevia nudiflora L. See Flora of India Vol. 23, pages 168 – 170 with an illustration on page 169.



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Large shrubs to trees up to 30 m high, dbh up to 50(–80) cm, dioecious, deciduous, flowering before or at the time of leaf appearance;
Indumentum of simple to tufted hairs, short to long and soft, whitish to yellowish to brownish. Stipules (narrowly) triangular, 1.8–5.2 by 0.5–1.5 mm, early caducous.
Leaves opposite to subopposite; petiole 1.8–12 cm long, often with a basal constriction when dry, glabrous to hairy, sometimes with glandular hairs; blade ovate, 6–21 by 6.3–16.5 cm, length/width ratio 1–2.3(–4.8 in immature leaves), papery, base cordate to obtuse, margin subentire (to rarely basally serrate with 1–7 minute teeth per side), apex (acute to) acuminate; basal extrafloral nectaries 2–5, 1–16 mm from petiole insertion, marginal extrafloral nectaries 0–8(–20) per side, 3–26 mm from margin; venation triplinerved (to 5-nerved), nerves 3–7 per side, looped and closed near the margin.
Inflorescences axillary racemes, pendulous when staminate, single, or often 2 or 3 together when pistilate; staminate flowers many, (2 or) 3 (or 4) per node, pistillate flowers 1–5 at apical part, single per node; Staminate inflorescences up to 30 cm long. Staminate flowers: buds ovoid to ellipsoid; flowers 4.7–9 mm diam.; pedicels 3.9–10 mm long; sepals (2 or) 3 or 4, free, (ovate to) elliptic, (3.2–)3.7–6 by (1.8–)2.1–3.7 mm, light yellowish to light greenish. Pistillate inflorescences 1.5–10.5 cm long; bracts 1.2–3.2 by 0.5–2.1 mm. Pistillate flowers: pedicel 1.1–9 mm long, locules 3–5; style (1.7–)2.4–4.5(–5.9) mm long; stigmas 12–24 mm long, plumose inside, hairy outside. Fruits indehiscent, drupaceous, oblate (to spheroid), 18–29 by 21–35 mm when dry, up to 35 by 45 mm when fresh.

Seeds in cross section somewhat triangular to almost elliptic, 8–12 by 7–10 by 6–8 mm, surface smooth, brown to black, with thin sarcotesta


Detailed upload… here, in our area (Haryana), this is a common avenue and roadside tree..thanks


Trevia nudiflora L., Sp. Pl. 1193. 1753; Müll.Arg. in DC., Prodr. 15(2): 953. 1866; Hook.f., Fl. Brit. India 423. 1887. Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52: 124. 2007

There are four varieties in India.


Again from GRIN

But there were lots of discussion about not agreeing to this name.


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Attachments (3). 3 posts by 2 authors.
Attached are pictures of Mallotus nudiflorus from SGNP, Mumbai in August 2013.
This was posted earlier and was identified by …. efi thread

 


Trevia nudiflora L., Sp. Pl. 1193. 1753; Müll.Arg. in DC., Prodr. 15(2): 953. 1866; Hook.f., Fl. Brit. India 423. 1887. Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52: 124. 2007


.


Trevia OR Trewia
… post dated 29 DEC 12 …


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Tree ID request – RK75 – 29-Dec-2012 is very interesting.

  • … asks … i want to know if Trevia nudiflora L. and Trewia nudiflora L. are same species …
  • … … Originally, Linnaeus (1753) spelled the genus name as ‘Trevia‘, but later he …

Trewia L. ortho.var. … orthographic variant, i.e., an incorrect alternate spelling of a name according to Article 61 of the International Code of Nomenclature (ICN) (McNeill et al., 2012). … NPGS / GRIN.

… The present code (McNeill et al., … … 2006: art. 13.4) gives priority to the original spelling given in Species Plantarum (1753) and therefore ‘Trevia‘ should be usedMalesian Euphorbiaceae Descriptions.


That is true but here is another shock from The Plant List

It lists Trevia nudiflora L., Sp. Pl. 2: 1193 1193 1753 as accepted name with all other 7 entries (there are only 8 entries under Trevia), based on TROPICOS which lists 14 synonyms including Mallotus nudiflorus (L.) Kulju & Welzen
It also lists Trewia with several names all synonyms. Interesting that it lists Trewia nudiflora L., Sp. Pl. 2: 1193 1193 1753 (obviously the same species as Trevia nudiflora as synonym of Mallotus nudiflorus (L.) Kulju & Welzen

GRIN does not list Trevia but also considers Trewia nudiflora L. as synonym of Mallotus nudiflorus (L.) Kulju & Welzen


Yes …, there seem to be more names than the plants that are named.

How wrong would it be to say that they clean up / repair their database.


Let us hope that revised list due in a month or so has lesser errors.


Trevia nudiflora L., Sp. Pl. 1193. 1753; Müll.Arg. in DC., Prodr. 15(2): 953. 1866; Hook.f., Fl. Brit. India 423. 1887. Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52: 124. 2007

Based on molecular studies, Kulju, Sierra& Welzen (Blumea 52: 124. 2007) merge this genus with Mallotus. The generic name Trevia L. (1753) has priority over Mallotus Lour. (1790). Kulju & Welzen (Taxon 57: 1358. 2008), has made a formal proposal for conservation of the generic name Mallotus against Trevia and it is still pending a decision.
The original spelling used by Linnaeus (Sp. Pl. ed. 1, 2: 1193. 1753) is ‘Trevia’,but later he inconsistently used both ‘Trevia’ and‘Trewia’. All subsequent authors have adopted the spelling ‘Trewia. However, Art. 13.4 of the present Code (2006) gives protection to the original spelling given in Species Plantarum, ed. 1 (1753) and therefore ‘Trevia’cannot be altered.

I am at loss to understand the situation clearly.
if The generic name Trevia L. (1753) has priority over Mallotus Lour. (1790)” as you write
1. Priority will come into consideration only if all species are to be under one genus, which should be either Mallotus (if proposal for conserving name is accepted) or Trevia (as per present situation).
2. If some species are to be placed under Mallotus and some under Trevia, the question of priority does not arise.

I find Mallotus philippensis is still being used as correct name, and in that case question of priority does not arise.



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Mallotus nudiflorus (L.) Kulju & Welzen, earlier known as Trewia nudiflora L. is a common wild tree in Pantnagar.

Attached pic is of male plant.


Trevia nudiflora or Mallotus nudiflorus, whatever you want, call it.



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Trewia nudiflora seen in bloom at Jim Corbett Waterfall.



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EUPHORBIACEAE FORTNIGHT:: Trevia nudiflora from Karnal NS-39 :  Attachments (6). 4 posts by 3 authors.
This small tree with soft, whitish branches is planted as a roadside cover at many places..
these shots were recorded from Karnal.. I hope this should be..

Trevia nudiflora….


Nice photos, Sir.


Very good to see large panicles of male and female inflorescences



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Euphorbiaceae fortnight :: ID request from Navi Mumbai :: PKA49:: :  Attachments (5). 5 posts by 3 authors.

Seen this small tree / Shrub (?) at CBD Belapur hills. Unfortunately i had not bothered to capture all the features. I had few photos to share. Looks like some Mallotus sp..


it is Trewia nodiflora —female flower


Possibly Trevia nudiflora L. (not ‘Trewia nodiflora’), However, here the styles are 2, whereas in Trevia they are 3. Further, without seeing the leaves it is not possible to determine it.


… is correct.



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Trewia nudiflora Linn. : Attachments (2). 2 posts by 2 authors.

Trewia nudiflora L., Fam: Euphorbiaceae

08/03/2013
Haridwar, Uttrakand, Railway station

tree, flowering, medicinal bark and seed


First time I am seeing that this tree is so beautiful.



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Please identify this plant details of which are as follows:
Date           :  15.05.14                                                            
Location     :Madurai, Near Nagamalai Pudukottai
Altitude      :< 500 ft
Habitat        😕 wild ? planted / adjacent to a coconut grove and along a canal  and next to a temple
Habit           :tree

Height         :20 to 30 ft
Leaves         :large, acuminate
Flowers       :not seen
Fruits           :,as shown


The last photo must be of the unopened flower buds.


Trewia nudiflora of Euphorbiaceae?


Neither Mallotus nor Trevia.


Thanks for helping me out in the id of this tree which seems to be still unresolved.


can you tell us if the last image was from the same individual plant as the first two?


I am not sure of it. The last was taken at least two months earlier. There were two trees adjacent to one another.


It’s possible that you have a male and a female tree of Trewia nudiflora.  The last photo would be the immature male flowers and the first ones would be immature fruits from the other tree. To me the leaves seem to match for that species.



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ANJAN40/40 Please identify this tree : 9 posts by 6 authors. Attachments (8)

Date: 9th January 2015
Place: Aralam Wildlife Sanctuary, Kerala
Habit: Medium sized tree


Trewia sp.


Wow amazing documentation again. I think that is a sitgma with developing fruit below it.

Eager to know the ID.


In efi I come across only one species of Trewia i.e. Mallotus nudiflorus (Syn: (≡) Trewia nudiflora L. (basionym));  


It is Trevia nudiflora var. nudiflora, recently treated as Mallotus nudiflorus.


I donot know. I think the leaves are very much different from what we see of T. nudiflora around nashik region. Would like to know the result


In fact there are four varieties of the species occurring in India.


I followed up on the tree. Found it fruiting yesterday. Please take a look to see if the variety can be made out from these images.

Date: 6th March 2015
Attachments (5)


Now that you have got fruits, please try to identify the variety yourself with the following key (adopted from Flora of India, Volume 23):

1a.     Leaves, inflorescences and fruits glabrous                                                                                                               2

  b.     Leaves, inflorescences and fruits tomentose or pubescent                                                                                        3

2a.     Fruits 2 – 3.5 cm across, with very thick pericarp                                                                                1.2. var. nudiflora

 b.     Fruits 1 – 1.5 cm across, with very thin pericarp                                                                             1.3. var. polycarpa

3a.     Branchlets densely flocculent-cottony or woolly-tomentose; leaves entire along margins; fruits 2 – 3 cm across, densely white-cottony tomentose                                                                                                           1.4. var. tomentosa

 b.     Branchlets softly pubescent; leaves dentate along margins; fruits 1.5 – 1.8 cm across, yellow pubescent      


I am attaching cropped photos sir.

While there seems to be some presence of indumentum on the fruits, the leaves, branchlets are glabrous. Please validate if this is T. nudiflora var. nudiflora only.
Attachments (3)

It is quite good identification.


very nice example of a teacher helping a student help himself

I appreciate this. …, well done and we saw a side of you that we did not see earlier

it took a good student to bring it out

I am proud of you both



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12022015 – Tree for ID – 02 : 6 posts by 3 authors. Attachments (8)
Kindly help me ID this tree. This was seen in Nandi hills, Bangalore on 12th Feb 2015. One ID suggested is Mallotus nudiflorus (Trewia nudiflora). By the look of the bark, it does not have the characteristic grey smooth bark seen in T. nudiflora. Hence i am having a doubt.

Please suggest and help.


Available data on the characters of the bark in Euphorbiaceae is insufficient for species demarcations.  Hence it is not possible to identify the species on this character.  However, the other morphological features point to Trevia (not Trewia) nudiflora var. nudiflora, recently treated to be Mallotus nudiflorus.


Thanks … Based on your input as well, for the time, we can keep it at Mallotus nudiflorus.

Trewia versus Trevia seems an interesting point. Can you elaborate on that? Everywhere Mallotus nudiflorus’s syn. is used as Trewia including Flowersofindia website. So does it require a correction?


Thank you very much.  Here is an extract from Flora of India Volume 23. I hope that these points will be helpful is getting the answer of your query.  We have maintained the name Trevia nudiflora here.  If you so wish, there is no harm in calling it a Mallotus.
10. Trevia L.
Monotypic, from India to China and Indonesia.
Note.  Based on molecular studies, Kulju, Sierra & Welzen (Blumea 52: 124. 2007) merge this genus with Mallotus.  The generic name Trevia L. (1753) has priority over Mallotus Lour. (1790).  Kulju & Welzen (Taxon 57: 1358. 2008), has made a formal proposal for conservation of the generic name Mallotus against Trevia and it is still pending a decision.
The original spelling used by Linnaeus (Sp. Pl. ed. 1, 2: 1193. 1753) is ‘Trevia’, but later he inconsistently used both ‘Trevia’ and ‘Trewia’.  All subsequent authors have adopted the spelling ‘Trewia.  However, Art. 13.4 of the present Code (2006) gives protection to the original spelling given in Species Plantarum, ed. 1 (1753) and therefore ‘Trevia’ cannot be altered.
Literature.  KULJU, K. K. M., S. E. C. SIERRA & P. C. VAN WELZEN (2007). Re-shaping Mallotus (Part 2): Inclusion of Neotrewia, Octospermum and Trewia in Mallotus s. s. (Euphorbiaceae s. s.). Blumea 52: 115 – 136.  SUSILA RANI, S. R. M. & N. P. BALAKRISHNAN (1998).  Notes on Trewia nudiflora L. (Euphorbiaceae) and its varieties.  J. Econ. Taxon. Bot. 22: 345 – 352, ff. 1 – 4.
Trevia nudiflora L., Sp. Pl. 1193. 1753; Müll.Arg. in DC., Prodr. 15(2): 953. 1866; Hook.f., Fl. Brit. India 423. 1887.  Mallotus nudiflorus (L.) Kulju & Welzen, Blumea 52: 124. 2007.

Thanks a lot … for raising a query and … for giving an excellent explanation, really very useful information..


Thanks … and Thanks a lot … for that extract…it answers the question fully.



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Id verification of Haldina cordifolia. : 3 posts by 2 authors. Attachments (3)

Please confirm the id. Loc;- Sanjay Gandhi NP. Mumbai, May – 2015.


I would suggest fruits of Trewia nudiflora of Euphorbiaceae.


I think you are correct !



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Posting some pictures missed out previously.

Green fruits seen on a tree near the Waterfall at Jim Corbett on 18th May, 2016.
Had posted the flowers earlier.

For validation by experts please.


I think matches with images at Mallotus nudiflorus 


Trevia nudiflora. As per latest treatment Mallotus nudiflorus.  I will stick to Trevia for reasons already discussed.





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Tumri (Mallotus nudiflorus syn. Trewia nudiflora). : 5 posts by 2 authors. Attachments (5)
Shots taken alongside Hoogly river on 10/3/08 except for the leafless tree of 30/1/08. I have seen lot of trees in Jayanti, Duars, West Bengal along the river. See the details at Nationaal herbarium. There is not much inf. on net about this tree.
Trewia is a plant genus of the spurge family (Euphorbiaceae), comprising 2 species. It is found from the Himalaya to Hainan Island. These species have hard large fruits.
Trewia species are used as food plants by the larvae of some Lepidoptera species including the leaf-miner Bucculatrix verax, which feeds exclusively on Trewia nudiflora.
The hard green fruit of Trewia nudiflora, which fall to the ground in large numbers during the monsoon season, are a preferred food of the Indian rhinoceros. The passage of its seeds through the rhino gut enhances its germination rate.

The above inf. taken from Wikipedia link:http://en.wikipedia.org/wiki/Trewia


There seems to be some confusion here. While your tree is undoubtly some species of Mallotus, I don’t think it is Trewia nudiflora. Please check.
T.nudiflora [locally called Petari/ Petani] is a fairly common tree in and around Bombay.
Sending you some photographs of T.nudiflora for comparison. Attachments (4)


Thanks, … Your posted images are of Mallotus polycarpus (Benth.) Kulju & Welzen


Thanks, …, for the feedback.

I have great trouble in nailing down its Id. Mine may be a tree with female flowers.
As per Pradip Krishen’s Trees of Delhi- “Flowers- male & female on separate trees; male flowers yellow in spiked clusters, with long stamens; females greenish, solitary or in 2s or 3s”

May I request you to check Pistillate flower drawing at Nationaal Herbarium & revert pl.


Even though the flowers in T.nudiflora are dioecious, the leaves of your tree appear different to me.
Unfortunately am not able to access the site you have mentioned.


… is still not satisfied with the Id of this plant as Trewia nudiflora, particularly the leaves. May I have any other view pl.


Thanks, … Your posted images are of Mallotus polycarpus (Benth.) Kulju & Welzen



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Tree for ID SMP April2016-1 : 4 posts by 3 authors. Attachments (1)
Another tree in flowering- Kaziranga Assam Mar2017

Mallotus nudiflorus (=Trevia nudiflora) male tree (Euphorbiaceae) to me.



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Tree id from PU, Chandigarh : 4 posts by 3 authors. Attachments (4)

Habit: Tree

Planted in Botanical garden
Location: Panjab university, chandigarh
Date: June, 2016

Trewia nudiflora



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Karnal- Along GT Road side 9-3-08; Kanakeshwar, Alibag MS- 10 Mar,2010- 9.00 am;  in eastern ghats valley: 10 dec 2009; 27-3- 2010- Bhandari Panipat; Chandagal Village,  Mysore district; Small tree from Karnal for Id – efloraofindia | Google Groups Tree for id 121209MK1 – efloraofindia | Google Groups
Unid Tree from Bagdogra : 4 posts by 3 authors. Attachments (3)
Saw this tree, probably a fig, in April, by the roadside in Bagdogra.
Any clue to its identity will be helpful.

To me it appears more of Mallotus nudiflorus, than any Fig..

I may be misjudging though..


It agrees perfectly with Balkar ji’s images here.

And I think you are on the dot …! Thanks!


I had posted earlier from Jim Corbett Waterfall.



https://08511630493324166816.googlegroups.com/attach/672695c633a15/IMG-20160807-WA0128.jpg?part=0.1&view=1&vt=ANaJVrFMd1p6Vff5aNmAWClzjYaBeDqhbed9bPqOyS40ViL0GLAKgYqVZ91pYbJz5Oc8Jz7ZHwGPFwz54Ryih380yd-zelCU7KGjuXPL7j9jRuPTWGcc3-U
Tree ID : Attachments (1)

Please identify this tree…only fruits are available.. From Kannur, Kerala.


Trewia nudifloraEuphorbiaceae member


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Today at Kanakeshwar: Today at Kanakeshwar, Alibag
1  Bauhinia  Purpurea
    Kanchan
2  
Flacouria indica
    Aathurni
3  
Butea monosperma
    Palas
4  
Capparis zeylanica
    Wagheti
5  Trewia nudiflora
    Petari
6  Olea diocea
    Parjambhul


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Tree for Identification_ Jamshedpur_Jharkhand: 5 images.
Observed this tree near a small stream at Jamshedpur, Jharkhand in July 2021.
Date- July 2021
Location- Jamshedpur, Jharkhand
Altitude
– 300 MSL
Habitat- -Wild
Plant Habit- Medium sized Tree
Height- 40 feet appx
Fruits observed in July.
Please help in identification.


Looks like Trewia nudiflora


 

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