Gompholobium shuttleworthii Meisn.
Lehm., Pl.Preiss. 1:39 (1844)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Tuesday 18 June 1996

Erect shrub, 0.1-0.5 m high. Fl. pink-purple, Sep to Dec. Yellow or white sand, lateritic gravel, granitic soils. Flats, slopes, outcrops, breakaways.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Western Mallee.

Local Government Areas (LGAs): Armadale, Beverley, Brookton, Bunbury, Busselton, Capel, Carnamah, Chittering, Coorow, Cuballing, Dandaragan, Dardanup, Gingin, Gosnells, Greater Geraldton, Harvey, Kalamunda, Kulin, Moora, Mundaring, Murray, Northam, Perth, Pingelly, Quairading, Swan, Three Springs, Toodyay, Victoria Plains, Wandering, Waroona, Wickepin, Wongan-Ballidu, York.

Scientific Description
C. Hollister and K.R. Thiele, Friday 17 January 2020

Erect, shrub, spindly shrub (broom-like). Stems flattened, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, whorled, not continuous with stem, 5-12 mm long, 0.4-0.7 mm wide, glabrous, strongly recurved, appearing terete but with one or two grooves below; tubercles absent; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 2.5-5.5 mm long, glabrous. Bracteoles present and persistent, 2 mm long, glabrous, not striate. Calyx 8-9 mm long, not accrescent, glabrous, ribless; pustules or glands absent. Corolla 10-13 mm long, multicoloured, mostly pink or purple, with some pink or purple spots, streaks or blotches; claws present; standard 10-11 mm long, glabrous, not auriculate, wings 8.5-10.3 mm long, not auriculate, keel 9-9.5 mm long, not beaked, not auriculate, hairy at least in part. Stamens ten; anthers 1.2-1.4 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 6.2-8.6 mm long. Ovary stipitate or sessile or subsessile, glabrous; style 8 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), stipitate or sessile or subsessile, 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 Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee and Swan Coastal Plain IBRA regions.