Jacksonia sternbergiana Huegel
Stinkwood

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades absent or apparently so (reduced to scales), alternate, not continuous with stem, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, 1-3.5; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 3.5-4 mm long, hairy. Bracteoles present and persistent, 0.5-1.5 mm long. Calyx 9.2-12 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-10 mm long, multicoloured, mostly yellow or orange, with some yellow or orange spots, streaks or blotches; claws present; standard 7-7.8 mm long, glabrous, not auriculate, wings 7.5-8 mm long, not auriculate, keel 8-8.5 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 1.4-1.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 6-7.6 mm long. Ovary hairy or glandular; style 8-10 mm long, hairy or glandular towards the base, not bearded, terete. Fruit not constricted between the seeds, round in cross-section. Flowers in January, February, March, April, May, June, July, August, September, October, November and December. Occurs in the South-West Botanical Province, in the Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee and Swan Coastal Plain IBRA regions.