1a Stamens completely glabrous……………………………………………………….…….2
1b Stamens hairy at least in part…..………………………………………………………..10
2a Flowers in axillary or terminal inflorescences…………………...………………………..3
2b. Flowers solitary in leaf axils….…………………………………………………………..8
3a Connective not protruding beyond tip of anther………………………….. 15. C. puberula
3b Connective protruding beyond tip of anther……………………………………….......…..4
4a Staminodes present. Leaves pinnate, with apical leaflets modified into tendrils………..
…………………………………………………………………………………21.C. zeylanica
4b Staminodes absent. Leaves simple, ternate, pinnate, bipinnate but lacking tendrils……..5
5a Leaves simple. Flowers brown. …………………………………….......17. C. smilacifolia
5b Leaves ternate, pinnate or bipinnate. Flowers white, creamy white, whitish yellow…….6
6a Inflorescence 3--7-flowered cyme. Sepals narrowly ovate or oblong, 10--20 X 5--6 mm
……………………………………………………………………..……….20. C. zemuensis
Pl. check the features as given in the Bold for your suggested species.
Also check with high resolution specimen in GBIF
You may be right, but I am not sure.
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