Gastrolobium dorrienii (Domin) G.Chandler & Crisp

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, whorled, continuous with stem, 10-14 mm long, 6-8 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, 2.5-3.5 mm long, without glands, ribless. Pedicel present, 2.5-4 mm long, hairy. Bracteoles present but early deciduous. Calyx 5.5-6.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 8-10 mm long, multicoloured, mostly yellow or red, with some yellow or red spots, streaks or blotches; claws present; standard 7.5-8.5 mm long, glabrous, not auriculate, wings 7-8.2 mm long, auriculate, keel 8-9 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 0.7-0.8 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 6-7 mm long. Ovary sessile or subsessile, hairy or glandular; style 8.6-9.5 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in September and October. Occurs in the South-West Botanical Province, in the Avon Wheatbelt, Jarrah Forest and Esperance IBRA regions.