Indigofera cuspidata Peter G.Wilson & Rowe

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 25-30 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 5-9, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 2.8 mm long, without glands, ribless. Pedicel present, 0.5-2 mm long, hairy. Bracteoles present but early deciduous. Calyx 2-3 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla uniformly coloured, pink; claws absent; standard 8-9 mm long, hairy at least in part, not auriculate, wings 7-8 mm long, keel 8-8.5 mm long, not beaked, not auriculate, hairy at least in part. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 5-6 mm long. Ovary stipitate, hairy or glandular. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, round in cross-section, not beaked. Flowers in May and June. Occurs in the Eremaean Botanical Province, in the Pilbara and Gascoyne IBRA regions.