Cristonia biloba subsp. pubescens I.Thomps.
Muelleria 28(1):72-73, Figs 1c;1i;2i (2010)

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


Beard’s Provinces: South-West Province.

IBRA Regions: Geraldton Sandplains.

IBRA Subregions: Lesueur Sandplain.

Local Government Areas (LGAs): Carnamah, Coorow, Dandaragan.

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

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 12-25 mm long, 2-7 mm wide, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Pedicel present, 5-5.5 mm long, hairy. Bracteoles present and persistent, 2-2.5 mm long, hairy, not striate. Calyx 11.5-13.5 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 13-16.5 mm long, multicoloured, mostly yellow or brown, with some yellow or brown spots, streaks or blotches; claws present; standard 12-13 mm long, glabrous, not auriculate, wings 11.5-13 mm long, not auriculate, keel 11-13 mm long, not beaked, not auriculate, glabrous. Stamens anthers 0.7-1 mm long, at two different levels (filaments alternately long and short), 10-13 mm long. Ovary sessile or subsessile, glabrous; style 12-14.5 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, flat or compressed, beaked. Flowers in June and July. Occurs in the South-West Botanical Province, in the Geraldton Sandplains IBRA regions. Conservation Code Priority Two (P2).