Petrophile biternata Meisn.
Hooker's J.Bot.Kew Gard.Misc. 7:69 (1855)

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

Brief Description
Grazyna Paczkowska, Tuesday 22 August 1995

Stout, rigid, non-lignotuberous shrub, 0.8-1.5 m high. Fl. yellow/cream-yellow, Aug to Oct. Yellow/grey sand & gravel, laterite, quartzite soils. Lateritic ridges, plains.


Beard’s Provinces: South-West Province.

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

IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Lesueur Sandplain, Northern Jarrah Forest, Perth.

Local Government Areas (LGAs): Carnamah, Coorow, Dandaragan, Gingin, Moora, Victoria Plains.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Saturday 30 November 2019

Shrubs, 1-2 m high; branchlets hairy, with curled hairs. Leaves alternate, 20-70 mm mm long, hairy or glabrous; lamina flat, once divided or twice or more divided, pinnately divided, divided to the midrib, with 5-10 points or lobes; distance from base of leaf to lowest lobe 15-30 mm. Inflorescences viscid, cream or yellow. Perianth 12-16 mm long, glabrous; pistil 12-17 mm long; pollen presenter fusiform, hairy, 3-6 mm long. Cone with persistent scales, 25-30 mm long. Flowers in August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW) or Jarrah Forest (JF) IBRA subregion(s). Conservation code Priority Three (P3).