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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.

Conostylis seminuda Hopper

Reference
Fl.Austral. 45:462 (1987)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, tufted perennial, grass-like or herb, to 0.3 m high. Fl. yellow-cream, Sep to Oct. White or grey sand.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1994

Scientific Description

Leaves flat, 110-210 mm long, 1.5-3.5 mm wide; bristles or hairs on the leaf margin present, 1.5-3 mm long, with at least some small side branches at the base, straight and rigid, lying parallel with the margin or angled towards the leaf apex; hairs on the surface of the leaf present. Scape present, hairy, 130-140 mm long. Inflorescence subtended by a bract 10-15 mm long, with several flowers; floral bracts 4.5-6 mm long; pedicels sessile; flowers 12-13 mm long. Perianth hairy, radially symmetrical, uniformly coloured, yellow, with six more or less equal tepals, the inner segments 5.5-7 mm long. Stamens six, in one level; filaments 0.5-1 mm long; anther 5.5-6 mm long, with an appendage. Style 7-9 mm long. Flowers in September or October. Occurs in the Geraldton Sandplains and Swan Coastal Plain IBRA bioregion(s), of the South-west Botanical Province.

C. Hollister and K.R. Thiele, 18 January 2020

Distribution

IBRA Regions
Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Lesueur Sandplain, Perth.
Local Government Areas (LGAs)
Carnamah, Coorow, Dandaragan, Swan.