Synaphea petiolaris subsp. triloba A.S.George
Fl.Australia 16:493 (1995)

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

Brief Description
Grazyna Paczkowska, Thursday 11 July 1996

Tufted shrub, 0.1-0.6 m high. Fl. yellow, Aug to Oct. Sandy soils. Swampy areas, clay flats.


Beard’s Provinces: South-West Province.

IBRA Regions: Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Augusta Margaret River, Boyup Brook, Busselton, Capel, Dardanup, Denmark, Donnybrook-Balingup, Harvey, Manjimup, Nannup, West Arthur.

Scientific Description
C. Hollister, N.S. Lander and K.R. Thiele, Tuesday 11 February 2020

Shrubs; branchlets hairy. Leaves alternate, 130-300 mm mm long, glabrous; petiole glabrous; lamina terete or flat, once divided, tripartitely divided, divided to the midrib; distance from base of leaf to lowest lobe 90-180 mm; terminal leaf lobe 0 mm long, 0 mm wide; lowest lobes 25-80 mm long. Inflorescences yellow; scape 270-470 mm long; floral bracts 1.8-2.3 mm long. Perianth 5-5.5 mm long, glabrous; adaxial tepal 5-5.5 mm long; abaxial tepal 4-4.5 mm long; ovary hairy, style glabrous; style including stigmatic disc 2.5-3.4 mm long, horned; stigma 1.2-1.3 mm long, 1.4-1.5 mm wide. Follicles 4.5-6 mm long. Flowers in August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Swan Coastal Plain (SWA), Jarrah Forest (JF) or Warren (WAR) IBRA subregion(s).