Jacksonia gracillima Chappill
Austral.Syst.Bot. 20:618-620 (2007)

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


Beard’s Provinces: South-West Province.

IBRA Regions: Swan Coastal Plain.

IBRA Subregions: Perth.

Local Government Areas (LGAs): Armadale, Busselton, Capel, Cockburn, Gosnells, Kalamunda, Kwinana, Murray, Serpentine-Jarrahdale, Wanneroo.

Scientific Description
C. Hollister and K.R. Thiele, Friday 4 September 2020

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, hairy; pustules or glands absent. Leaves or phylloclades absent or apparently so (reduced to scales), alternate, not continuous with stem, hairy, with simple hairs, flat with flat margins; margins entire or dentate; tubercles absent, 0.5-1; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 4-5 mm long, hairy. Bracteoles present and persistent, 0.5-1.5 mm long, hairy, not striate. Calyx 10-12 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 10-13.5 mm long, uniformly coloured, pink; claws present; standard 7-9 mm long, glabrous, not auriculate, wings 6.5-9 mm long, not auriculate, keel 9-10.5 mm long, not beaked, not auriculate, glabrous. Stamens ten; anthers 0.5-0.7 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 8-9 mm long. Ovary stipitate, hairy or glandular; style 10-11.5 mm long, hairy or glandular towards the base, 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 October and November. Occurs in the South-West Botanical Province, in the Swan Coastal Plain IBRA regions. Conservation Code Priority Three (P3).