Indigofera boviperda subsp. eremaea Peter G.Wilson & Rowe

Scientific Description

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 15-25 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 3-7, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 2.7-3.3 mm long, without glands, ribless. Pedicel present, 0.5-1 mm long, hairy. Bracteoles present but early deciduous. Calyx 1.7-2 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla uniformly coloured, purple. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 3-4 mm long. Ovary hairy or glandular; style 4-4.5 mm long, hairy or glandular towards the base, bearded (with a tuft of hairs at apex), terete. Fruit dehiscent (a pod or follicle), 15-27 mm long, 3.5 mm wide, sessile or subsessile, not constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in April and May. Occurs in the Eremaean Botanical Province, in the Great Sandy Desert, Pilbara and Little Sandy Desert IBRA regions.