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Gastrolobium glaucum C.A.Gardner
Spike Poison

Reference
J.Roy.Soc.Western Australia 27:180 (1942)
Conservation Code
Threatened
A taxon name retains its ‘Threatened’ status until a new name has been officially endorsed and appears in the Gazettal Notice.
Naturalised Status
Native to Western Australia
Name Status
Current

Low shrub, to 1.2 m high. Fl. yellow&orange&red, Aug to Oct. Sandy, often gravelly soils over laterite. Slopes, breakaways.

Amanda Spooner, Descriptive Catalogue, 9 December 2003
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite or whorled, continuous with stem, 7-20 mm long, 6-15 mm wide, glabrous, flat with flat margins or flat with recurved margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 3.4-4.2 mm long, without glands, ribless. Pedicel present, 1.8-2 mm long, hairy. Bracteoles present but early deciduous. Calyx 5.4-6 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-12 mm long, multicoloured, mostly yellow, red or orange, with some yellow, red or orange spots, streaks or blotches; claws present; standard 8-11 mm long, glabrous, auriculate, wings 5.5-8.7 mm long, auriculate, keel 6.7-8 mm long, not beaked, auriculate, glabrous. Stamens ten; anthers 0.6-0.7 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 5-6.8 mm long. Ovary stipitate, hairy or glandular; style 6-7 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 August, September and October. Occurs in the South-West Botanical Province, in the Avon Wheatbelt IBRA regions. Conservation Code Threatened (T).

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

Distribution

IBRA Regions
Avon Wheatbelt.
IBRA Subregions
Katanning, Merredin.
Local Government Areas (LGAs)
Wongan-Ballidu.