Dactylicapnos scandens

Dactylicapnos scandens (D.Don) Hutch., Bull. Misc. Inform. Kew 1921: 105 1921. (syn: Capnorchis scandens (D.Don) Kuntze; Capnorchis thalictrifolia (Wall.) Kuntze; Corydalis scandens Spreng.; Dactylicapnos asplenifolia Wall. ex Steud. [Invalid]; Dactylicapnos multiflorus Hu; Dactylicapnos thalictrifolia Wall.; Dicentra scandens (D.Don) Walp.; Dicentra thalictrifolia (Wall.) Hook.f. & Thomson; Diclytra scandens D.Don; Diclytra thalictrifolia (Wall.) D.Don ex Walp.; Dielytra scandens (D.Don) G.Don; Dielytra scandens D. Don; Dielytra thalictrifolia (Wall.) G. Don);

Herbaceous climbing perennial herbs, about 3-5 m long. Stems slender, angular, grooved, glabrous. Leaves 2 or 3 times ternately compound, exstipulate, about 5 cm long, petiole about 2.5-3 cm long, leaflets ovate-spathulate to ovate-elliptic, about 1-3.5 x 0.5-2 cm across, base acute to cuneate usually unequal, margin entire, apex acute to obtuse with mucronate tip, terminal leaflet larger than the lateral leaflets, lateral veins about 5-7 either side of the midrib, first or lowest pair almost near the base, petiolules slender, grooved, about 0.5-1 cm long, rachis ending or terminal leaflets usually replaced with the tendrils. Inflorescence raceme, about 8-12 flowered, peduncle slender, about 2-8 cm, bracts narrow oblanceolate, about 4-6 x 1 mm across. Flowers bisexual, leaf opposed, yellow, apex bright yellow with purple spots, about 1-2 cm long, pedicels filiform, about 1.5-2.5 cm long, sepals 2, ovate-triangular, apex acuminate, about 2-3 mm long, petals, linear, yellow, apex acute, faintly reflexed, outer petals about 1.8-2 cm long, inner petals unguiculate, with crested lower lobe, nectariferous glands short, strongly hooked at the apex, producing waxy secretion, about 4-5 x 0.8-1 mm across, Stamens 6 in 2 bundles, each bundle 2 loculed, later anthers one loculed, base expanded into 1-2 nectary glands. Ovary subglobose or elongate, unilocular, ovules few to many, style slender, stigmas flattened. Fruits capsules, ellipsoid-ovoid, grooved, dehiscing in upper part, with persistent stigma and style, about 14-20 x 6-8 mm across. Seeds numerous, in 4 rows, compressed, papillate, black, arillate with small white aril.

Dactylicapnos scandens (D.Don) Hutchinson (accepted name) Dicentra scandens (D.Don) Walp. (synonym): 2 posts by 2 authors. Attachments (2)

I guess it is correct ID according to the elevation.

D. scandens (E Sikkim) : 1 post by 1 author. 3 images- 1.3 to 2.4 mb each.

Already ID as Dactylicapnos scandens (D.Don) Hutchinson

References:

Catalogue of Life  The Plant List Ver.1.1
IPNI   Flora of Nepal On-line accounts  BSI Flora of India  Flora of China
FOC illustration  FOC illustration2  RHS Gardening  India Biodiversity Portal Dave’s Garden UBC