Gastrolobium sp. Asperum (F. Hort 2864)

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite, not continuous with stem, 15-35 mm long, 4-10 mm wide, hairy or glabrous, with simple hairs, flat with flat margins or flat with recurved margins; margins entire or lobed; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 6-6.5 mm long, without glands, ribless. Pedicel present, 3-4 mm long, hairy. Bracteoles present but early deciduous. Calyx 6-6.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 11-11.5 mm long, multicoloured, mostly yellow, red or orange, with some yellow, red or orange spots, streaks or blotches; claws present; standard 10-11 mm long, glabrous, not auriculate, wings 9-9.5 mm long, not auriculate, keel 8.5-9 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.3-0.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 5.5-6 mm long. Ovary sessile or subsessile, hairy or glandular; style 6.8-7.5 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. Occurs in the South-West Botanical Province, in the Avon Wheatbelt and Jarrah Forest IBRA regions.