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Jacksonia cupulifera Meisn.

Reference
Bot.Zeit. 13:27 (1855)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect shrub or tree, 1.2-4(-5.4) m high. Fl. yellow & orange, Aug to Oct. Sandy or loamy soils. Sandstone rocks, lateritic plains, river banks.

Grazyna Paczkowska, Descriptive Catalogue, 24 June 1996
Image

Scientific Description

Erect, tree or shrub, spindly shrub (broom-like). Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades absent or apparently so (reduced to scales), alternate, not continuous with stem, glabrous, flat with flat margins; margins entire; tubercles absent, 0.5-2; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 7-9.2 mm long, hairy. Bracteoles present and persistent, 0.5-1 mm long, hairy, not striate. Calyx 8.5-8.7 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 11-12.5 mm long, multicoloured, mostly yellow or orange, with some yellow or orange spots, streaks or blotches; claws present; standard 10-10.5 mm long, glabrous, not auriculate, wings 9.6-10 mm long, not auriculate, keel 9.2-10 mm long, beaked, not 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), 6-9.3 mm long. Ovary stipitate, hairy or glandular; style 10.2-10.5 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), 17 mm long, 7 mm wide, stipitate or sessile or subsessile, not constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in August, September and October. Occurs in the South-West Botanical Province, in the Geraldton Sandplains IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Geraldton Sandplains.
IBRA Subregions
Geraldton Hills.
IMCRA Regions
Central West Coast.
Local Government Areas (LGAs)
Greater Geraldton, Northampton.