Gastrolobium hamulosum Meisn.
Hookpoint Poison

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite or whorled, not continuous with stem, 5.5-9.5 mm long, 2.5-4.5 mm wide, hairy, with simple hairs, flat with flat margins or flat with recurved margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 2-3 mm long, without glands, ribless. Pedicel present, 0.5-1 mm long, hairy. Bracteoles present but early deciduous. Calyx 5.5-6 mm long, not accrescent, hairy, with simple hairs, ribbed; pustules or glands absent. Corolla 10-11.3 mm long, multicoloured, mostly yellow, red, orange or purple, with some yellow, red, orange or purple spots, streaks or blotches; claws present; standard 9.5-10.5 mm long, glabrous, auriculate, wings 8.5-9 mm long, auriculate, keel 7.6 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 0.6 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 7.2-8 mm long. Ovary stipitate, hairy or glandular; style 9.2-11 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 August, September and October. Occurs in the South-West Botanical Province, in the Geraldton Sandplains and Avon Wheatbelt IBRA regions. Conservation Code Threatened (T).