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Gastrolobium congestum G.Chandler & Crisp

Reference
Austral.Syst.Bot. 15:642-643 (2002)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect shrub, 0.5-2.5 m high. Fl. orange/yellow/orange/red, Sep to Dec or Jan to Feb. Gravelly sand or sandy loam over laterite, quartz or limestone. Undulating plains, hillsides or mountain slopes.

Amanda Spooner, Descriptive Catalogue, 27 October 2003
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite, continuous with stem, 15-50 mm long, 15-50 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves, 2-4.5 mm long, without glands, ribless. Pedicel present, 2.5-5 mm long, hairy. Bracteoles present but early deciduous. Calyx 6-7.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 10.6-13 mm long, multicoloured, mostly yellow or orange, with some yellow or orange spots, streaks or blotches; claws present; standard 9-12 mm long, glabrous, not auriculate, wings 8-11 mm long, auriculate, keel 9-10 mm long, not beaked, not 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), 7-9.5 mm long. Ovary stipitate, hairy or glandular; style 8.3-12.5 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 September, October, November and December. Occurs in the South-West Botanical Province, in the Mallee and Esperance IBRA regions.

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

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest, Mallee.
IBRA Subregions
Fitzgerald, Recherche, Southern Jarrah Forest, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Jerramungup, Ravensthorpe.