Subglabrous climber. Leaf pinnately compound, leaflets 20-24, 1.5-4.0 cm long, 2-5 mm broad, oblong-linear, acute-obtuse, pubescent beneath, stipules linear, semihastate, nearly always entire; tendrils branched. Inflorescence an axillary, 20-40-flowered peduncled raceme, peduncle up to 15 cm long. Calyx c. 4.5 mm long, subglabrous, teeth unequal, shorter than the tube. Corolla deep blue. Vexillum 1.2-1.6 cm long. Fruit c. 2.5 cm long, glabrous, many seeded; stipe as long as the calyx tube.

Fl.Per.: July-August.

Type: ‘Habitat in collibus et campis arenosis Ducatus Bremensis saxoniae prope Berlinum, Roth (B-not seen).

Distribution: Pakistan; Kashmir; India; Russia; Central and Southern Europe, Turkey; Iraq; Iran; Afghanistan.