Argostemma verticillatum Wall., Fl. Ind. 2: 325 1824. (Syn: Argostemma acutum Wall. ex Hook.f.; Argostemma glaberrimum Dalzell);
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As per efi thread:
Flowers with 4 petals…..A.sarmentosum;
flowers with five petals…… A. verticillatum.
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Small herbs. Leaves in whorls of 3 or 4, mostly confined to the apex of stem, to 5 x 1 cm, linear-lanceolate, subsessile, membranous, glabrous; lateral nerves indistinct; stipules interpetiolar, entire or 0. Flowers 5-merous, 1.2 cm across, in terminal few flowered umbels, peduncles slender, shorter than the leaves. Calyx glabrous, lobes ovate-acute. Corolla white, lobes ovate-acuminate. Staminal filaments short, anthers connate, dehiscence by apical pores. Ovules many on projected placenta; style filiform; stigma capitate.

Flowering and fruiting: August-October
Evergeen forests
South India, Himalayas, North East India and Myanmar
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
from India Biodiversity Portal)
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What plant? : Attachments (1). 5 posts by 3 authors.

I have been seeing this growing out of stone retaining walls on my walks. I am not sure if grows on the ground too-I am yet to come across one. The flower is tiny, not more than 1-2cm. The whole plant in the picture must be 6-7cm.
This photograph was taken on my phone in August this year.
Mcleodganj, Dharamshala, HP


I imagine if the leaves belong to the same plant?


It should be Argostemma verticellatum


Thank you … for this ID.
Sorry for replying late-I was travelling and had limited access to the Internet.
I found out the only common name for Argostemma verticillatum is in Chinese ‘Xiao xue hua’.
Are we aware of any English name?

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AKNOV04 Another Argostemma sp. for ID : 6 posts by 4 authors. 3 images.

Near Mussoorie, Aug 2014


Could it be Argostemma verticillatum ?


I second the opinion of …


new to me
reminds me of a flower i had submitted but i know its not the same
just reminiscent  I had called mine Porelain flower before the id, your flower reminds me of porcelain beauties …that’s all


Two species of Agrostemma known in Uttarakhand.
Flowers with 4 petals…..A.sarmentosum; flowers with five petals…… A. verticillatum.
Both often grow together along streams, on moist walls in rainy season.



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Argostemma verticillatum ABJUL01/21 : 3 posts by 2 authors. 7 images.
I found several of these growing as epiphytes on trees.
From Greek argos: white and stemma: wreath.
Argostemma verticillatum
Above Mcleodganj, Dharamshala, HP
1750m
22 July 2015.

Yes, beautiful pics. Never seen on tree trunks in our area.


Thank you … We have them on walls, rock faces, the ground and on the trees. These plants were growing on a wild pear tree.



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SK35JUL16-2016:ID : 6 posts by 3 authors. Attachments (2)
Enclosing some pictures for  identification.
Location : Godawari Botanical Garden Nepal
Altitude:  5000 ft.
Date: 13 July 2016

It should be Argostemma sp. (Rubiaceae). Looks closer to A. verticillatum. Argostemma in eFI.


A. verticillatum ! Thank you !



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Argostemma verticillatum Wall : 5 posts by 3 authors. Attachments (9)- around 750 kb each.
Location: Godawari, Lalitpur,, Nepal
Altitude: 1566 m.
Date: 21 July 2019
Habit : Wild

love the habitat picture. that gives us apt info

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Argostemma verticillatum Wall.: 4 very high res. images.
Location: Kathmandu, Central Nepal
Altitude: 1400 m.
Date : 30 June 2021
Habitat : Wild on Flower Pot


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Argostemma verticillatum Wall.: 6 very high res. images.
Location: Kathmandu Valley, Central Nepal
Altitude: 1600 m.
Date : 10 July 2021
Habitat : Wild
Plant size is 13 cm., however, described in EFN as 2-7cm.


 


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References: The Plant List Ver.1.1  WCSP  Herb Cat  Flora of China  FOC illustration  Annotated checklist of Flowering plants of Nepal India Biodiversity Portal  

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