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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.

Scaevola humifusa de Vriese
Procumbent Scaevola

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 1:410 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate shrub, 0.01-0.5 m high. Fl. white-cream/white-blue, Aug to Nov or Jan. Sandy & clayey soils. Saline flats.

Grazyna Paczkowska, Descriptive Catalogue, 20 March 1996
Image

Scientific Description

Stems unribbed. Leaves flat, 6-20 mm long, 0.3-3.5 mm wide, Indumentum present, with dense or sparse, simple hairs; margins entire. Bracteoles absent. Pedicel pedicellate, Pedicel length the pedicels 1-1.3 mm long, Indumentum present, Hair type with simple hairs. Calyx lobes present, Calyx length 5 mm long, hairy, with dense, simple hairs. Corolla white or cream, 8-10 mm long, without auricles, not spurred, hairy on the outside, with sparse, simple hairs, hairy on the inside; central lobes 2.8-3.6 mm long, with wings; outer lobes 2.8-3.5 mm long, wings present on both sides, 0.3-0.5 mm wide. Anthers free. Ovary inferior, not gibbose; style 5.5-8 mm long, hairy; indusium single, hairy; ovules one or two. Flowers in January, August, September, October, November and December. Occurs in the Coolgardie (COO), Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Mallee (MAL) and Esperance Plains (ESP) IBRA Region(s), of the Eremaean (E) and South West (SW) Botanical Province.

C. Hollister and K.R. Thiele, 2 August 2023

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Geraldton Sandplains, Mallee, Swan Coastal Plain.
IBRA Subregions
Eastern Mallee, Fitzgerald, Katanning, Lesueur Sandplain, Merredin, Perth, Southern Cross, Western Mallee.
Local Government Areas (LGAs)
Beverley, Carnamah, Coorow, Corrigin, Cunderdin, Dalwallinu, Dandaragan, Dowerin, Dundas, Esperance, Kent, Kondinin, Koorda, Lake Grace, Moora, Narembeen, Pingelly, Quairading, Ravensthorpe, Tammin, Wagin, Wickepin, Wongan-Ballidu.