Gastrolobium spectabile (Endl.) Crisp
C.H.Stirt., Adv.Legume Syst. 3: 130 (1987)

Conservation Code: Priority Three
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Tuesday 10 February 2004

Erect, spreading, tangled shrub or tree, 0.8-4 m high. Fl. orange&yellow&green, Sep to Nov. Sandy loam or clay loam, granite. Margins of rock outcrops.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Mallee.

IBRA Subregions: Avon Wheatbelt P1, Western Mallee.

Local Government Areas (LGAs): Cunderdin, Lake Grace, Merredin, Trayning.

Scientific Description
C. Hollister and K.R. Thiele, Tuesday 6 October 2020

Erect, shrub, spindly shrub (broom-like). Stems terete or angular, spiny at least in part, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite, continuous with stem, 12-40 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 3 mm long, without glands. Pedicel present, 3.2-4 mm long, glabrous. Bracteoles present but early deciduous. Calyx 9-10 mm long, not accrescent, glabrous; pustules or glands absent. Corolla 13-16.5 mm long, multicoloured, orange, mostly yellow or green, with some yellow or green spots, streaks or blotches; claws present; standard 13-14.6 mm long, glabrous, auriculate, wings 12.6-14 mm long, auriculate, keel 14-14.5 mm long, auriculate, glabrous. Stamens ten; anthers 1-1.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 10.6-13.5 mm long. Ovary stipitate, hairy or glandular; style 13-14.2 mm long, hairy or glandular towards the base, terete. Fruit dehiscent (a pod or follicle), 15 mm long, 5 mm wide, stipitate, not constricted between the seeds, round in cross-section, glabrous, not beaked. Flowers in September, October and November. Occurs in the South-West Botanical Province, in the Avon Wheatbelt and Mallee IBRA regions. Conservation Code Priority Three (P3).