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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Synaphea petiolaris subsp. triloba A.S.George

Reference
Fl.Australia 16:493 (1995)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

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

Grazyna Paczkowska, Descriptive Catalogue, 11 July 1996
Image

Scientific Description

Shrubs; branchlets hairy. Leaves alternate, 130-300 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).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

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.