Vigna vexillata var. angustifolia (Schumach. & Thonn.) Baker

Scientific Description

Twining or climbing plants, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 95-120 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 4-5 mm long, without glands, ribless. Bracteoles present but early deciduous. Calyx 9-10 mm long, not accrescent, hairy, with simple hairs, ribbed; pustules or glands absent. Corolla 22-27 mm long, multicoloured, mostly purple or blue, with some purple or blue spots, streaks or blotches; claws present; standard 19-21 mm long, glabrous, not auriculate, wings 19-20 mm long, not auriculate, keel 20-22 mm long, not auriculate. Stamens ten. Fruit dehiscent (a pod or follicle), stipitate, constricted between the seeds, flat or compressed, not beaked. Flowers in February, March, June and December. Occurs in the Northern Botanical Province, in the Northern Kimberley and Dampierland IBRA regions.