Tylophora exilis

Tylophora exilis (Spreng.) Colebr., Revis. Gen. Pl. 2: 424 (1891) (syn: Gymnema pubigerum Decne.; Pergularia exilis (Colebr.) Spreng.; Tylophora exilis Colebr.) as per POWO and Catalogue of life;
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Native to: Assam, Bangladesh, East Himalaya, Jawa, Malaya, Philippines, West Himalaya as per POWO;
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Java, India (Himalayas, NE-India, Upper Gangetic Plains, Darjeeling), Sikkim, Bangladesh as per Catalogue of life;
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Tylophora exilis (Asclepiadaceae)_081110_RKC01 : Attachments (4). 4 posts by 2 authors.

Hope I am not too late in posting the Asclepiadaceae photographs.
Tylophora exilis Colebr.
Place: On way to Gelling, Upper Siang district, Arunachal Pradesh
Alt.: about 750 m
Date: Nov. 2007

I think this is endemic to NE India

Reported from Bangladesh and Java too.

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Flower ID request : 8 posts by 4 authors. Attachments (3)- around 700 kb each.
Can someone help with this flower ID? Creeper with small yellow flowers. 

Date: 26 July 2015.
Location: Chiyana Khud, Tehri Garhwal, Uttarakhand
Altitude: 1,500 m

Apocyanaceae member.

Check for Tylophora species though doubtful.

Pergularia exilis (Colebr.) Spreng. !

Kanjilal lists this from Mothronwala, which is in the Doon Valley. I found this higher up at 1500 m near Devalsari.

A reply from Caifei Zhang ji at https://efloraofindia.com/2011/04/04/tylophora-exilis/:
“The flowers show it is a member of Heterostemma. I think it is Heterostemma wallichii Wight.”

It is Tylophora exilis Colebr. !

I also feel it is more closer to Tylophora exilis Colebr. as per GBIF specimen (one and two) rather than Heterostemma wallichii Wight as per GBIF specimen (one and two).

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