Clitoria ternatea Linn., Sp.Pl. 753. 1753. Baker in Hook.f., Fl.Brit.Ind. 2:208.1876;Cooke,Fl.Bomb.Pres. (reprint ed.) 1:105.1958.
Vern.: Gokran, Supli.
A woody climber. Leaves 5-9.5 cm long, unipinnate, leaflets usually 5-7, 1.4-6.5 cm long, 1-4 cm wide, oblong, slightly emarginate or obtuse, short stalked, petiolules up to 2 mm long, stipules linear, 4-10 mm long, apex acute. Inflorescence solitary axillary. Bracts 4-5 mm long, bracteoles c. 7 mm long, orbicular. Pedicel 6-9 mm long. Calyx 12-16 mm long, 2 upper teeth joined near the base. Corolla rich blue in colour with greenish veins on the vexillum, vexillum 2.5-5.0 cm long, 3.5 cm broad, Stamens 10, diadelphous, 9+1, dimorphic the vexilIary stamen free, Ovary hairy, style simple, hairy along the inner side. Fruit up to 5-12 cm long, beaked 8-10-seeded, glabrous or sparsely pubescent.
Syntypes: Ceylon, Hermann 3:13; 3:20 & 4:49 (BM).
Distribution: Cosmopolitan in tropics, widely cultivated as an ornamental plant; the true distribution now difficult to trace in view of cultivation.
The root is reputed to have medicinal properties.