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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.

Boronia humifusa Paul G.Wilson

Reference
Nuytsia 12(1):126-128,Fig.2 (1998)
Conservation Code
Priority One
Naturalised Status
Native to Western Australia
Name Status
Current

Low-growing, wiry perennial, herb, 0.1-0.2 m high. Fl. pink/red, Jun or Sep. Gravelly clay loam over laterite. Jarrah-marri open forest.

Helen Coleman, Descriptive Catalogue, 19 May 1998
Image

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, winged or strongly angled in cross-section, glabrous. Leaves opposite, simple, 10-30 mm long, 1.5-5 mm wide, flat, the margins revolute, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers in axillary, loose clusters (cymes or panicles) or in terminal, loose clusters (cymes or panicles); calyx present, 4.5 mm long, smooth, without distinct raised glands, glabrous; corolla red or pink, petals four, 6 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, 3-4 mm long, warty with prominent raised glands, ciliate (with a marginal fringe of hairs); anthers 1-1.3 mm long, with an appendage; style 2.2-3.2 mm long, hairy. Flowers in June and September. Occurs in the South-West Botanical Province, in the Jarrah Forest and Swan Coastal Plain IBRA region(s). Conservation Code: Priority One (P1).

C. Hollister and K.R. Thiele, 14 November 2023

Distribution

IBRA Regions
Jarrah Forest, Swan Coastal Plain.
IBRA Subregions
Northern Jarrah Forest, Perth, Southern Jarrah Forest.
Local Government Areas (LGAs)
Busselton, Capel, Donnybrook-Balingup, Kalamunda.