Gastrolobium stenophyllum Turcz. Narrow-leaved Poison
Bull.Soc.Imp.Naturalistes Moscou 26 (1):275 (1853)

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

Brief Description
Amanda Spooner, Thursday 9 October 2003

Bushy, erect shrub, to 3 m high. Fl. orange/ pink/red, Sep to Dec or Jan to Feb. Sandy soils over granite. Base of rock outcrops, along rivers, in woodland, shrubland or heath.


Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains.

IBRA Subregions: Fitzgerald.

Local Government Areas (LGAs): Jerramungup, Ravensthorpe.

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

Erect, shrub, spindly shrub (broom-like). Stems terete or angular, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, opposite or whorled, continuous with stem, 10-45 mm long, 1-2 mm wide, glabrous, revolute; tubercles absent; pustules or glands absent. Stipules present and persistent to older leaves. Pedicel present, 5-5.2 mm long, hairy or glabrous. Bracteoles present but early deciduous. Calyx 5.4-6.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 9-10 mm long, multicoloured, mostly pink, red or orange, with some pink, red or orange spots, streaks or blotches; claws present; standard 8-9 mm long, glabrous, auriculate, wings 7-8.7 mm long, auriculate, keel 8-9 mm long, not beaked, auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments free (or united at the very base). Ovary stipitate, hairy or glandular; style 9-10 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 January, February, September, October, November and December. Occurs in the South-West Botanical Province, in the Esperance IBRA regions. Conservation Code Priority Three (P3).