Gastrolobium capitatum (Benth.) G.Chandler & Crisp
Austral.Syst.Bot. 15:678 (2002)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Wednesday 11 February 2004

Prostrate to low, bushy shrub, to 1 m high. Fl. orange-yellow, Jun to Sep. Sandy to loamy soils, laterite, granite. Slopes, outcrops, swampy areas, plains.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.

IMCRA Regions: Central West Coast.

Local Government Areas (LGAs): Armadale, Augusta Margaret River, Bayswater, Beverley, Bunbury, Busselton, Canning, Chittering, Cockburn, Collie, Dandaragan, Fremantle, Gingin, Gosnells, Harvey, Kalamunda, Melville, Mundaring, Murray, Nedlands, Northam, Perth, Serpentine-Jarrahdale, South Perth, Stirling, Subiaco, Swan, Toodyay, Wandering, Wanneroo, Waroona, West Arthur, York.

Scientific Description
C. Hollister and K.R. Thiele, Friday 17 January 2020

Twining or climbing plants, shrub, spindly shrub (broom-like). Stems terete, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite or alternate, continuous with stem, 22-75 mm long, 4-14 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 4-4.5 mm long, without glands. Pedicel present, 2.5-3.5 mm long, hairy. Bracteoles present but early deciduous. Calyx 6-7 mm long, hairy, with simple hairs; pustules or glands absent. Corolla 10-15 mm long, multicoloured, mostly yellow or orange, with some yellow or orange spots, streaks or blotches; claws present; standard 10.5-13 mm long, glabrous, not auriculate, wings 8.5-11.5 mm long, not auriculate, keel 10-11 mm long, auriculate, glabrous. Stamens ten; anthers 0.8-1 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), NaN (?) mm long. Ovary stipitate, hairy or glandular; style 8-11.5 mm long, hairy or glandular towards the base, terete. Fruit dehiscent (a pod or follicle), stipitate, not constricted between the seeds, round in cross-section, not beaked. Flowers in June, July, August and September. Occurs in the South-West Botanical Province, in the Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Warren and Swan Coastal Plain IBRA regions.