Family: Leguminosae

Description: 

Slender twiners. Leaves odd-pinnate; leaflets 5-7, broadly elliptic, ovate or obovate. Flowers solitary, axillary, blue, white or purple. Petals clawed; standard 3.5-4.5 cm long, obovate, emarginate; wings oblong, falcate, adnate to keel; keels obovate, incurved. Stamens diadelphous (9+1); filaments unequal. Pod 5-9 cm long, linear, compressed, apically beaked; seeds many.