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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Synaphea obtusata (Meisn.) A.S.George

Reference
Fl.Australia 16:492 (1995)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Low, rounded shrub, 0.1-0.6 m high. Fl. yellow, Jul to Nov. Grey sand, gravelly sand or loam, sometimes swampy soils. Stony hillsides, sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 9 September 1995
Image

Scientific Description

Shrubs; branchlets hairy. Leaves alternate, 135-300 mm long, glabrous; petiole glabrous; lamina terete or flat, once divided or twice or more divided, pinnately divided or tripartitely divided, deeply divided or divided to the midrib; distance from base of leaf to lowest lobe 80-220 mm; terminal leaf lobe 7-25 mm long, 2-7 mm wide; lowest lobes 35-80 mm long. Inflorescences yellow; scape 90-250 mm long; floral bracts 2.5-3 mm long. Perianth 6.5-7.5 mm long, glabrous; adaxial tepal 6.5-8.3 mm long; abaxial tepal 5.5-6.5 mm long; ovary hairy, style glabrous; style including stigmatic disc 5-6 mm long, strongly concave; stigma 1.4-2.6 mm long, 1-1.3 mm wide. Follicles 6.5-7.5 mm long. Flowers in July, August, September, October or November. Occurs in the South-west (SW) Botanical Province(s), in the Avon Wheatbelt (AW), Jarrah Forest (JF), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Warren.
IBRA Subregions
Fitzgerald, Katanning, Northern Jarrah Forest, Recherche, Southern Jarrah Forest, Warren.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Boddington, Boyup Brook, Bridgetown-Greenbushes, Broomehill-Tambellup, Collie, Cranbrook, Denmark, Esperance, Gnowangerup, Kojonup, Manjimup, Narrogin, Plantagenet, Ravensthorpe, Wandering, West Arthur, Williams, Woodanilling.