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Scaevola anchusifolia Benth.
Silky Scaevola

Endl., Fenzl, Benth. & Schott, Enum.Pl. 68 (1837)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Erect or decumbent shrub, 0.3-1.5 m high. Fl. blue/blue-white, Jun to Nov. White/grey or red sand, clay loam. Limestone ridges, sand dunes, coastal plains.

Grazyna Paczkowska, Descriptive Catalogue, 20 March 1996

Scientific Description

Stems ribbed. Leaves flat, 20-85 mm long, 1.5-8 mm wide, Indumentum absent (leaves glabrous) or present, with dense, glandular hairs; margins entire. Bracteoles present, 6-10 mm long, glabrous. Pedicel absent (flowers sessile). Calyx lobes present, Calyx length 0-1 mm long, hairy, with sparse, simple hairs. Corolla blue or mauve, 13-20 mm long, without auricles, not spurred, hairy on the outside, with sparse, simple hairs, hairy on the inside; central lobes 7-11 mm long, with wings; outer lobes 7-9.5 mm long, wings present on both sides, 0.7-0.8 mm wide. Anthers free. Ovary inferior, not gibbose; style 8-12 mm long, hairy; indusium single, hairy; ovules one or two. Flowers in June, July, August, September, October and November. Occurs in the Carnarvon (CAR), Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF) and Warren (WAR) IBRA Region(s), of the Eremaean (E) Botanical Province.

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


IBRA Regions
Carnarvon, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Edel, Geraldton Hills, Lesueur Sandplain, Perth, Southern Jarrah Forest, Warren, Wooramel.
IMCRA Regions
Central West Coast, Leeuwin-Naturaliste, Shark Bay, Zuytdorp.
Local Government Areas (LGAs)
Augusta Margaret River, Busselton, Capel, Carnarvon, Chittering, Coorow, Cottesloe, Dandaragan, Fremantle, Harvey, Kwinana, Mandurah, Manjimup, Northampton, Perth, Rockingham, Shark Bay, Waroona.