Malvastrum coromandelianum (L.) Garcke (Images by Bhagyashri Ranade (validation by Dr.Nidhan Singh) & Nidhan Singh (Inserted by Bhagyashri Ranade & J.M.Garg))

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Sida acuta Burm.f. Closely confusing species (Images by Bhagyashri Ranade (Identified by Tanay Bose) & Balkar Singh & Ritesh Kumar Chaudhary (Inserted by Bhagyashri Ranade)) 

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MAL-vas-trum — resembles mallow
kor-oh-man-del-ee-AY-num — of or from the Coromandel coast, India
.
commonly known as: broom weed, clock plant, false mallow, prickly malvastrum, spiked malvastrum
.
Native to: tropical Americas; naturalized pantropically.
.
Propagation: Seeds
Fl & Fr: August – January
Description: Woody herb to 30 cm tall. Leaves entire, ovate-lanceolate or deltoid, 2-5 x 1.5-3 cm, chartaceous, 5-nerved at base, truncate-obtuse, crenate-serrate, acute. Epicalyx segments 3, shorter than calyx. Petals pale yellow. Schizocarp 3 x 6 mm, not exceeding calyx. Seed 1 per mericarp, reniform, compressed.
Easily differentiated from Sida in the presence of 3 linear epicalyx segments.
.
As per efi thread:
… these are the main differences between Sida and Malvastrum.
1. Epicalyx 3: Leaves pinnately veined, capsule not winged: MALVASTRUM.
2. Epicalyx absent, capsule truncate at apex, not winged, Flower opens at morning, carpel 1 ovuled- SIDA
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Malvaceae for ID : 3 posts by 3 authors. Attachments (9).
I have uploaded three sets a, b and c from three seprarate locations in Bangalore.
I am confused if all three sets are of the same flower or if one is Malvastrum and the other Sida
Please tell me the key differences between Sida and Malvastrum.

All are Malvastrum coromandelianum.


… these are the main differences between Sida and Malvastrum.

1. Epicalyx 3: Leaves pinnately veined, capsule not winged: MALVASTRUM.

2. Epicalyx absent, capsule truncate at apex, not winged, Flower opens at morning, carpel 1 ovuled- SIDA


 


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Sida ID from Bangladesh SM 197 : 2 posts by 2 authors. Attachments (4)
Habitat : Wild


I think except 2.jpg all pics belong to Malvastrum coromandelianum..



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Hooghly-skMAY21/22 Malvastrum coromandelianum (L.) Garcke : 3 posts by 2 authors. Attachments (5)


Nice pictures, especially the guest.. thanks



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Malvastrum coromandelianum (L.) Garcke
A common weed of shaded areas in Delhi, easily differentiated from Sida in the presence of 3 linear epicalyx segments.

Common name: Broom weed

Photographed from Vikas Puri in New Delhi


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Malvaceae Fortnight::Malvastrum or Sida?? NSJ 18 : 3 posts by 2 authors. Attachments (2)

Malvastrum or Sida Sp.  Pl validate.


This should be Malvastrum coromandelianum  ..



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Malvastrum coromandelianum
Many places Pune

 


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A very common herb from the family, Malvastrum coromandelianum..


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Malvaceae Fortnight::Malvastrum coromandelianum – NSJ-02 : 3 posts by 2 authors. Attachments (2)

Malvastrum coromandelianum pl confirm.


I think you are right. It’s Malvastrum coromandelianum


Yes It is Malvastrum coromandelianum


 


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Sida acuta Burm. fil. (accepted name) : 8 posts by 3 authors. Attachments (2)
Sharing some pictures I guess is Sida acuta Burm. fil. (accepted name) shot at Chobhar Kathamndu Nepal at 4200 ft. 
 
Nepali Names: बलु झार Balu Jhaar / कुरो Kuro / सानो चिल्या Saano Chilya

Picture are small & I am not able to see more details.

Pl. check with images at Malvastrum coromandelianum


It seems Malvastrum coromandalianum, it will have 3 bracteoles.

It is Malvastrum coramandelianum


This is Malvastrum coromandelianum for sure…


Thank you for correcting ID.
Nepali Names : घट पत्र  Ghat Patra / बल Bal / बलु Balu


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Wild Plant For ID : Malvaceae : Bangalore : 01DEC16 : AK-2 : 5 posts by 3 authors. Attachments (2)

Pictures taken on the 1st of Nov.

Sida Species?

Malvastrum coromandliana ? Pl. Check the spellings also.


Yes …, Malvastrum coromandelianum.


Thanks a lot for the id. I was getting confused with Sida acuta.



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Is this Sida acuta ?:  I think this is common wireweed. Plz correct me if I m wrong
here.
Location- Karve road,Pune
Habitat-Wild
Habit – Shrub

Date- 21 st Aug 2011.

I think the plant is

Malvastrum coromandelianum (L.) Garcke, Bonplandia 5: 295. 1857; Gamble, Fl. Pres. Madras 88(64). 1915; Ramach. & V.J. Nair, Fl. Cannanore Dist. 62. 1988; Vajr., Fl. Palghat Dist. 81. 1990; T.K. Paul in B.D. Sharma &
Sanjappa, Fl. India 3: 277. 1993; Subram., Fl. Thenmala Div. 31. 1995; Sivar. & Pradeep, Malvac. Southern Peninsular India 219. 1996; Sasidh., Fl. Periyar Tiger Reserve 31. 1998; Sunil, Fl. Pl. Alappuzha Dist. 100. 2000;
Anil Kumar et al., Fl. Pathanamthitta 85. 2005.
Malva coromandeliana L., Sp. Pl. 687. 1753.
Malva tricuspidata R.Br. ex Ait.f., Hort. Kew (ed. 2) 4: 210. 1812.
Malvastrum tricuspidatum (R.Br. ex Ait.f.) A. Gray, Smithsonian Contr. Knowl. 3: 16. 1852; Hook. f., Fl. Brit. India 1: 321. 1874.

I know now that this is Malvastrum coromandelianum / False mallow.


could you please share me the location of this plant on Karve road? I would like to see it. I have seen Sida acuta/rhombifolia but not this one before though heard about it.



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Malvaceae week :: Malvastrum coromandelianum: Malvastrum coromandelianum (L.) Garcke

MAL-vas-trum — resembles mallow
kor-oh-man-del-ee-AY-num — of or from the Coromandel coast, India
[image: Malvastrum coromandelianum]<http://www.google.com/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…> Sep 29, 2007 at Pune
commonly known as: broom weed, clock plant, false mallow, prickly malvastrum, spiked malvastrum
Native to: tropical Americas; naturalized pantropically
   – [image: Prickly Malvastrum]<>…
Dec 7, 2009 at Rajguru Nagar near Pune
– [image: Broom Weed]<>…
Dec 7, 2009 at Rajguru Nagar near Pune
– … for more views: Flickr

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Malvaceae Week: Sida Sp: Photo taken at Pinjore garden
Date May 30, 2010
Habitat Wild



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Malvaceae Week: Malvastrum coromandelianum from Delhi: Malvastrum coromandelianum (L.) Garcke
A common weed of shaded areas in Delhi, easily differentiated from Sida in the presence of 3 linear epicalyx segments.
Common name: Broom weed
Photographed from Vikas Puri in New Delhi

.


Malvaceae week : Malvastrum coromandelianum:  Today morning I saw this for the first time. (May be I was neglecting earlier thinking it to be Sida)
Hopefully the ID is correct.
Characters to be watched:
Erect herb upto 1 m high. Stems petioles and pedicels with 4 armed appressed stellate hairs pointing up and downwards.
(I tried to check it hard in may pictures but can’t figure out clearly… One of the pictures in … post does show some such hairs)
Calyx broader….Ref. …
Flower solitary axillary. Epicalyx segments 4-7 covered with 4 rayed hairs; Corolla yellow obliquely obovate.(Uneven at tip)
Schizocarps globular c 2mm long



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Flora of Panipat: Malvastrum coromandelianum from Sodhapur Panipat: Malvastrum coromandelianum from Sodhapur Panipat
growing wild on Bank of WY Canal


This was shot recently on Sunday 11th Sept during flower hunting trip to sondhapur village Near Panipat



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efloraofindia:”For Id 26092011MR6’’ ?Sida Cordifolia Pune: Request for identification ? Sida Cordifolia
Date/Time-Sep 2011
Location- Place, Altitude, GPS-Pune
Habitat- Garden/ Urban/ Wild/ Type-Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Erect herb
Height/Length- about 1 ft
Leaves Type/ Shape/ Size- green
Inflorescence Type/ Size- yellow I have waited the whole day for the buds to bloom but they half opened only
Flowers Size/ Colour/ Calyx/ Bracts-  yellow buds
Fruits Type/ Shape/ Size Seeds-green and then brown

I too agree that this is Malvastrum coromandelianum. In Sida cordifolia the leaves are cordate at the base hence the name cordifolia.


Malvastrum coromandelianum Family: Malvaceae
Pop. Name: –
Nativity: Trop. America (introduced in India during 19th century)
Distribution in India: Throughout
Propagation: Seeds
Fl & Fr: August – January
Description: Woody herb to 30 cm tall. Leaves entire, ovate-lanceolate or deltoid, 2-5 x 1.5-3 cm, chartaceous, 5-nerved at base, truncate-obtuse, crenate-serrate, acute. Epicalyx segments 3, shorter than calyx. Petals pale yellow. Schizocarp 3 x 6 mm, not exceeding calyx. Seed 1 per mericarp, reniform, compressed.


To my surprise today I found that 1 branch of this plant had different leaves and the other like the one I have posted .There was another plant next to it with all variegated leaves. Can someone explain this



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efloraofindia:”For Id 27092011MR6’’ Same plant 1 branch-Plain leaves other branch variegated? Pune:  Request for validation
Yesterday I had posted a plant which was Id as Malvastrum coromandelianum

Today I found that a plant next to this plant looks like Malvastrum coromandelianum
But one branch shows variegated leaves and other plain leaves
A plant next to it shows all variegated leaves
I am confused

The plant is same. There might be some infestation or nutritional deficiency.


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efloraofindia:”For Id 26092011MR7’’ some sp of Malvastrum coromandelianum?Pune: the fruits and flowers look like Malvastrum coromandelianum but the leaves are different and variegated

Date/Time- Sep 2011
Location- Place, Altitude, GPS-Pune
Habitat- Garden/ Urban/ Wild/ Type-Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Herb
Height/Length- 1/2 foot
Leaves Type/ Shape/ Size-variegated green
Inflorescence Type/ Size- yellow buds
Flowers Size/ Colour/ Calyx/ Bracts- could not see open flowers
Fruits Type/ Shape/ Size Seeds- same like Malvastrum coromandelianum

This is Malvastrum coromandelianum for sure, this plant shows variegated leaves.


? Malvastrum coromandelianum
Pune
Oct 2011
Wild
Leaves were rough green
The flower looked almost white
fruit green


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For ID 091011 NS1: This wild shrub I photographed @ Pune on 08 th Oct 11.
The flower was unusual, it seems like it was starting to bloom but remained as it is even at noon and after noon. So I assumed that it’s like that only.



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ID-31082012-PR-1:  Plants from north gujarat
Family Malvaceae
Habit Herb
Collected from cultivated field

It is Malvastrum coromandelianum, I think


Yes it is Malvastrum coromandelianum.



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Wild Plant For ID : Nasik : 300613 : AK-2 : Attachments (1). 3 posts by 2 authors.

A wild plant seen on 24/8/2010 in Nasik with yellow flower.

Mallow?


Yes, a mallow.. for me this is Malvastrum coromandelianum..



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ID Request 160913SG :  Attachments (3). 4 posts by 3 authors.

Please help identify following herb found on hedge.

Photographed 4Sep13, at Dhavlas, Maharashtra.


Malvastrum coromandelianumMalvaceae



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Malvastrum coromandelianum Attachments (3).  4 posts by 4 authors.

validate Please
Is it Malvastrum coromandelianum?
At Hampi,Karnatak
05 Oct,2013


… yes … Malvastrum coromandelianum of Malvaceae.


Yes for Malvastrum coromandelianum



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Hi confirm please is this sida indica? : Attachments (1).  4 posts by 3 authors.

Sida indica

Clicked near igatapuri 10 nov 2013


Sida indica is synonym of Abutilon indicum. Your plant is not it.

This must be Malvastrum coromandelianum.

Let us wait for comment(s).


I agree with … ID: Malvastrum coromandelianum.



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Requesting identification of this wild herb at Pune. Is this Sida species?


Malvastrum coromandelianum?


Yes it is Malvastrum coromandelianum only. (3 bracteoles is the characteristic feature)


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Wild Plant For ID : MNP,Mumbai : 270114 : AK-27 : 6 posts by 4 authors. Attachments (2).

Picture taken on 29/11/13 at Maharashtra Nature Park, Mumbai.

Wild plant with small yellow flowers.

Id please.


Malvastrum coromandelianum I hope


or Sida acuta??….


As … have suggested, this is Malvastrum coromandelianum



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Malvastrum coromandelianum: I’d confirm : 3 posts by 2 authors. Attachments (2) – 1 mb and 3 mb.
Location Gujarat
Date 18.8.2018
Malvastrum coromandelianum

Other recipients:
I guess ID is good ! Thank you ! Saroj Ksaju
I guess ID is good !



Plant for ID : Bangalore : 03OCT20 : AK-05 : 5 posts by 3 authors. Attachments (1)

A plant seen in Bangalore last month (3.10.20).

Malvaceae?

Malvastrum coromandalianum


Yes, It’s, Malvastrum,


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Sonepat, Haryana, 10 May 09; 13th Oct.,; (130509SCS1-2) Is it Sida acuta ? – indiantreepix | Google Groups

 


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References:

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