Indigofera rupicola Peter G.Wilson & Rowe

Scientific Description

Prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 15-25 mm long, 8-15 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 2 mm long, without glands, ribless. Pedicel present, 0.5-2 mm long, hairy. Bracteoles present but early deciduous. Calyx 2-4 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla multicoloured, mostly pink or purple, with some pink or purple spots, streaks or blotches; claws absent; standard 4.5-6.5 mm long, glabrous, not auriculate, wings 5-6.5 mm long, not auriculate, keel 5-6 mm long, not beaked, not auriculate, glabrous. Stamens ten; filaments united in an open sheath with one free stamen. Fruit dehiscent (a pod or follicle), 25-30 mm long, 2 mm wide, sessile or subsessile, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in March and June. Occurs in the Northern Botanical Province, in the Northern Kimberley IBRA regions.