Cajanus
Key in Flora of Bhutan: 1. Erect shrub . .. 1. C. cajan + Twiners, herbaceous or woody …… .. 2 2. Leaves pinnately trifoliate ……… .. 3 + Leaves subdigitately trifoliate …….. ..4 3. Leaflets small 2-4.5cm, elliptic or obovate, acute or subacute … 2. C. scarabaeoides +…