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Gastrolobium propinquum C.A.Gardner
Hutt River Poison

Reference
W.Austral.Naturalist 4:185 (1955)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Low, bushy shrub, to 1(-1.8) m high. Fl. orange&yellow&red, Jun to Sep. Clay, clay-loam or sandy clay soils, granite, shale. Hills, flats, drainage lines, winter-wet areas.

Amanda Spooner, Descriptive Catalogue, 9 December 2003
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems angular, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, whorled, continuous with stem, 20-50 mm long, 5-15 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 1.8-2.5 mm long, hairy. Bracteoles present but early deciduous. Calyx 3.5-4.3 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 6-8.2 mm long, uniformly coloured, yellow; claws present; standard 7-7.6 mm long, glabrous, auriculate, wings 5.5-5.7 mm long, auriculate, keel 5-5.5 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 0.4-0.5 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 3-4.5 mm long. Ovary stipitate, hairy or glandular; style 4-6.2 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 June, July, August and September. Occurs in the South-West Botanical Province, in the Geraldton Sandplains and Avon Wheatbelt IBRA regions. Conservation Code Priority Three (P3).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Geraldton Hills, Merredin.
Local Government Areas (LGAs)
Chapman Valley, Greater Geraldton, Northampton.