Pueraria peduncularis (Benth.) Benth. (syn: Derris bonatiana Pamp.; Neustanthus peduncularis Benth.; Pueraria peduncularis var. violacea Franch.; Pueraria yunnanensis Franch.);
Bhutan (N); China (N); Guangxi ; Guizhou ; Sichuan; Xizang Zizhiqu; Yunnan ; India (N) ; Arunachal Pradesh ; Assam; Manipur; Meghalaya ; Nagaland ; Sikkim ; Uttar Pradesh ; West Bengal ; Myanmar (N) ; Nepal (N) ; Pakistan (N) ; Vietnam (N) as per ILDIS;
Herbceous twitner, stems softly pubescent. leaflets broadly ovate-elliptic 8-17 x 4-1cm, acuminate, base cuneate or rounded, often oblique, unloabed, appressed brownish pubesecent, stiples linear lanceolate 3-6mm, petioles 5-25cm, stiples lanceolate, 7-8 x 1.5-2.5mm, basifixed. Racemes (7-)25-40cm. clayx 5-6mm, shortly toothed. petals 1.3-1.5cm, blue purple but white near base, standard obovate 7mm, wings oblong, blade 9 x 2.5mm, keel oblanceolate 10 x 4mm, pods 5-8 x 0.7cm, glabrous, 4-8seeded.
Cool broad-leaved forests
Attributions- A.C.J Grierson & D.G Long. Flora of Bhutan. Published by RBGE. 1987 from Bhutan Biodiversity Portal)
possibly a Pueraria sp.
Pueraria species in eFloraofindia (with details/ keys from published papers/ regional floras/ FRLHT/ FOI/ Biotik/ efloras/ books etc., where ever available on net)
Pl. check with high resolution image at https://science.mnhn.fr/institution/mnhn/collection/p/item/p02961693
Some more images from same location on same date. Attachments (8)
Following keys in Flora of Bhutan at Pueraria and the following links, I think it is Pueraria peduncularis only:
Pueraria peduncularis (Benth.) Graham ex Benth. : 8 posts by 1 author. 8 images- 5 to 7 mb each.
Location: Kathmandu Valley
Date: October 2020
Habitat : Wild
The Plant List Ver.1.1