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Euphorbia rothiana Spreng., Syst. Veg. 3: 796 1826. (Syn: Euphorbia divergens Klotzsch [Illegitimate]; Euphorbia glauca Roxb. [Illegitimate]; Euphorbia javanica Jungh.; Euphorbia laeta B.Heyne ex Roth [Illegitimate]; Euphorbia lanceolaria Wall. [Invalid]; Euphorbia oreophila Miq.; Euphorbia oreophila var. pubescens Boiss.; Euphorbia oreophila var. wightiana (Boiss.) Boiss.; Euphorbia rothiana var. pubescens (Boiss.) Oudejans; Euphorbia rothiana var. wightiana (Boiss.) Oudejans; Euphorbia socialis Zoll. [Illegitimate]; Euphorbia wightiana Boiss.; Tithymalus divergens Klotzsch; Tithymalus rothianus (Spreng.) Klotzsch & Garcke; Tithymalus thwaitesii Klotzsch & Garcke);
yoo-FOR-bee-uh — named for Euphorbus, Greek physician to Juba II … Dave’s Botanary
roth-ee-AY-nuh — named for Dr A W Roth, a German botanist … ‡ commonly known as: common hill spurge • Marathi: दुधी dudhi Native to: peninsular India, Sri Lanka
FB Link
Yes … I have seen this plant on Mahabaleshwar too. Thanks …, In that case, if my understanding goes right, it is species of high altitude grasslands.
Initially looks like green flowers, though the flowers are tiny yellow star like. The plant contains milky juice.
On 22nd sept 2012 Kas, Maharastra.
Kas Week :: DV :: 19 OCT 07 – 1220 :: Euphorbia rothiana: Kas plateau … about 4000 ft asl … one of the 39 World Heritage sites in the Western Ghats of India
19 OCT 07
Euphorbia rothiana Spreng. … (family: Euphorbiaceae) yoo-FOR-bee-uh — named for Euphorbus, Greek physician to Juba II … Dave’s Botanary
roth-ee-AY-nuh — named for Dr A W Roth, a German botanist … ‡ commonly known as: common hill spurge • Marathi: दुधी dudhi Native to: peninsular India, Sri Lanka References: Flowers of India • Flowers of Sahyadri by Shrikant Ingalhalikar BSI Flora of Maharashtra and FOS mentions this as Euphorbia laeta. True … Until BSI flora is referred in its book form, such differences will be observed. Hopefully, a website would come up soon. Euphorbia laeta B Heyne ex Roth. (1821) can’t be the correct name for two reasons 1. It is an illegitimate name being a later homonym of E. laeta Aiton (1789), a totally different species now considered as synonym of Euphorbia dendroides L.
This is another example of confusions we land into when not citing the authors. I found numerous entries on the web of this plant, with two as synonyms and none citing the authority.
E. rothiana Spreng should thus be taken as correct name and Euphorbia laeta B. Heyne ex Roth as synonym.
Interesting discussion…
1: is this native of the mediterranean islands? since the website link is from univ in the tiny island… 2: the pictures of their garden’s samples seem several years old… do they grow that big in KAS or in the western ghats… ie comfortable for a few years? or do they get eaten by goats etc and are seen small specimen only? or are they newly naturalized “weeds” ??? Responding to the query: (1) is this native of the mediterranean islands? I think you got confused. E. dendroides is a different species not found in India. It shares with E. rothiana of Kas region, the synonyms which are homonyms.
NO I AM NOT CONFUSED
I was looking at the plants in the link you gave above .. its from a university on the Mediterranean islands off coast of Spain my question was about this E. laeta… that website shows plants older than any I have seen from any indian book or site…hence the questions… if it is our native.. how come we / indians dont have pictures of older plants ???? that’s what I as asking… or are the spaniards more careful of their plants? There are two different plants:
E. laeta Heynes ex Roth (1821)
E. laeta Aiton (1789)
Since two different species are given the same name they are homonyms, former being later homonym (junior homonym) is rejected irrespective of whether E. laeta Aiton (earlier homonym or senior homonym) is accepted name or not. E. laeta Aiton happens to be a synonym of E. dendroides L., a fact that has come to light relatively recently and this old website does not give this synonym. My purpose of the link was only to show how different this plant looks. And it does not grow in India.
The Indian plant was described in Flora of British India as E. rothiana Spreng with E. laeta Heynes ex Roth as synonym. Since latter has earlier date of publication, so several recent books treated E. laeta Heynes ex Roth as correct name and E. rothiana a synonym, but the decision had to be reversed once it was known that it is a later homonym.
euphorbia rothiana, mahabeleshwar: euphorbia rothiana, last week at mahabeleshwar looking very similar to E. lathyris uploaded by me from kashmir, except for alternate leaves and more pointed gland horn tips here.
KAS Week:: ( Euphorbia laeta – 10/10/2012-NJ): Euphorbia laeta (Dudhi– Marathi) Correct name should be E. rothiana- efi thread
KAS Week::(Euphorbia dracunculoides – 11/10/2012-NJ): Euphorbia dracunculoides – (Khachar Dudhi- Marathi) E. dracunculoides I hope is a much different plant with linear leaves. This should be E. rothiana This is E. laeta. Euphorbia laeta can’t be the correct name as explained by me earlier. efi thread Euphorbiaceae for identification 071212MK03: Please help me to identify this weed herb found near a garbage in Ooty town. The leaves are about 8 cm longer. Is this any Euphorbia species?
Place: Ooty Town, Nilgiris, TN
Date: 23 February 2012
Alt.: 2200 m asl
May be Euphorbia rothiana Yes, This is Euphorbia rothiana Spreng. distributed in Madhya Pradesh, Maharashtra, Karnataka, Kerala and Tamil Nadu in open grasslands and forest edges at 1000 – 2500 m altitude.
Euphorbiaceae for identification 071212MK03: Please help me to identify this weed herb found near a garbage in Ooty town. The leaves are about 8 cm longer. Is this any Euphorbia species?
Place: Ooty Town, Nilgiris, TN
Date: 23 February 2012
Alt.: 2200 m asl
May be Euphorbia rothiana
Yes, This is Euphorbia rothiana Spreng. distributed in Madhya Pradesh, Maharashtra, Karnataka, Kerala and Tamil Nadu in open grasslands and forest edges at 1000 – 2500 m altitude.
Euphorbiaceae fortnight :: Euphorbia rothiana :: mm1 : Attachments (4). 4 posts by 3 authors. Euphorbia rothiana,
Mahabaleshwar.
You are right.
Euphorbiaceae Fortnight : Euphorbia laeta : Mahabaleashwar : 071113 : AK-33: Attachments (2). 3 posts by 2 authors. Euphorbia laeta from Mahabaleshwar.
Sorry for the bad pictures due to low light.
This species is Euphorbia rothiana Spreng. E. laeta Heyne ex Roth is one of its synonym.
Euphorbiaceae Fortnight :: Euphorbia for ID :: MK010 : Attachments (5). 2 posts by 2 authors. Please help me in identifying this Euphorbia herb.
Height: up to 1 metre
Leaf: up to 10 cm long
Date: 16 Aug 2013
Place: Doddabetta, Nilgiris, TN
Alt.: 2500 m asl
This species is Euphorbia rothiana Spreng.,
common in Nilgiris and other hilly areas of Pen. India, from 1000 – 2500 m alt.
Euphorbiaceae fortnight :: Euphorbia rothiana in Satara Region :: PKA51 : Attachments (5). 2 posts by 2 authors.
Herb, around 75cm in height.
Bot. name: Euphorbia rothiana Family: Euphorbiaceae Local name: Dudhi, I think this is Euphorbia rothiana Spreng.
Euphorbiaceae fortnight::Euphorbia dracunculoides (NSJ-07) : Attachments (2). 3 posts by 3 authors. Euphorbia dracunculoides?? from Kas
Not E. dracunculoides
I hope it is E. rothiana
This is most probably E. rothiana Spreng. Anyway it is definitely not E. dracunculoides Lam.
Euphorbiaceae fortnight::Euphorbia laeta (NSJ-06) : Attachments (2). 3 posts by 3 authors.
Euphorbia laeta from Kas.
E. rothiana is the correct name
This is Euphorbia rothiana Spreng. (syn.: E. laeta B.Heyne ex Roth)
EUPHORBIACEAE FORTNIGHT :: Euphorbia rothiana Mahabaleshwar :: SMP 20 : 4 posts by 4 authors. Euphorbia rothiana syn. Euphorbia laeta
This seems to be Euphorbia rothiana Spreng. (Syn. E. laeta B.Heyne ex Roth)
As usual, superb pics, thanks ….
Euphorbia rothiana Spreng. SN June13 : 2 posts by 2 authors. Attachments (3).
Euphorbia rothiana Spreng, a weed near tea estate and shola from coonor area of Nilgiri, Tamilnadu at an altitude of 1500m
References:
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