236 ID wild plant Argostemma

[Sam Kuzhalanattu]

Dear Members,

Please ID wild plant, kind regards, Sam.

Location: near Vannappuram Thodupuzha Idukki District Kerala 685607

Altitude: 1500fsl

Flower date: 13.12.2021, 04.05pm

Habitat: wild, moisture, shady, rock stone nearby stream facing waterfalls

Plant habit: erect, branches, weak fleshy stem 04mm base diameter, rooted on rock stone, hairy, annual

Height: 15cm

Leaves: opposite, heart shaped, apex, hairy, fleshy, serrated margins, size:15×8cm

Flower: racemose, clustered, diameter:02.5mm, white with violet, non fragrant

Fruit: cone shaped cup green into brown, diameter:05mm

Seed: 

Camera: mobile Samsung Galaxy A21s

[Sam Kuzhalanattu]

Sharing more images

[Sam Kuzhalanattu]

Sharing more images

[Saroj Kasaju]

Are you share it is Argostemma ??

Thank you.

Saroj Kasaju

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[Sam Kuzhalanattu]

I am not sure dear Saroj ji, my suggestion is only based on my fruit image of A. quarantena at eFI, with kind regards, Sam.

[Paradesi Anjaneyulu]

Epithema carnosum,

With regards. 

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[Saroj Kasaju]

Thank you Paradesi ji !

I was doubtful about the suggested ID !

Saroj Kasaju

[Sam Kuzhalanattu]

Yes, it is Epithema carnosum dear Paradesi ji, thank you very much for ID my plant, with kind regards, Sam.

[Paradesi Anjaneyulu]

You're welcome Sam JI,

With regards. 

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[J.M. Garg]

As per A revision of Epithema (Gesneriaceae)- 

• January 2015 
• Gardens’ Bulletin Singapore 67(1):159-229-

Kaylene Bransgrove and  David John Middleton: 

Epithema carnosum is widespread across tropical Asia with the exception of Malesia. It is similar to some of the forms of Epithema ceylanicum and was originally separated from it (as E. dentatum) by E. carnosum having crenate-sinuate leaves vs. E. dentatum having small teeth on the leaf margin that are sometimes subacute or doubly serrate. Also Epithema dentatum was said to have shorter petioles on the upper leaves. These characters cannot consistently be used to separate Epithema carnosum from the now more broadly dened E. ceylanicum which includes E. dentatum. It is better separated from Epithema ceylanicum by the hairs on the ovary and operculum. They are straight in E. carnosum and hooked or primarily so in E. ceylanicum. In nearly all specimens from India, Nepal and Myanmar there is no variation in this character, but on specimens from China, Thailand and Vietnam a proportion of the hairs on the ovary/operculum of Epithema carnosum may be hooked. In all cases where the majority of the hairs are straight, the specimens are assigned to E. carnosum. This is also essentially true of Epithema ceylanicum where the hairs on almost all specimens from India and Myanmar have only hooked hairs on the ovary and operculum but some specimens from north and north-west Thailand also have some straight hairs on the ovary/ operculum. In all cases where the majority of the hairs are hooked, the specimens are assigned to E. ceylanicum.
   Epithema carnosum occasionally produces peduncles from the petioles of the leaves of the terminal leaf pair. Peduncles arising from the midrib of these leaves has only been observed in specimens of Epithema carnosum from Khasia in Northeast.

Only distribution is given of E. ceylanicum in the posted area.

So I take it as E. ceylanicum.

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With regards,
J.M.Garg