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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 robusta Diels

Reference
Bot.Jahrb.Syst. 35:109-111 (1904)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, tufted, stoloniferous perennial, grass-like or herb, 0.15-0.42 m high, to 0.6 m wide. Fl. yellow, Aug to Sep. White, grey or yellow sand.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1994
Image

Scientific Description

Leaves flat, 80-340 mm long, 2-12 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 or simple, without any side branches, straight and rigid, angled towards the leaf apex; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape present, hairy, 165-410 mm long. Inflorescence subtended by a bract 10-30 mm long, with several flowers; floral bracts 5-10 mm long; pedicels present, 0.5-1 mm long; flowers 10-13 mm long. Perianth hairy, radially symmetrical, uniformly coloured, yellow, with six more or less equal tepals, the inner segments 5.5-7.5 mm long. Stamens six, in one level; filaments 0.5-1 mm long; anther 4.5-5 mm long, without an appendage. Style 7.5-9 mm long. Flowers in August or September. Occurs in the Geraldton Sandplains and Avon Wheatbelt IBRA bioregion(s), of the South-west Botanical Province.

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Geraldton Hills, Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Greater Geraldton, Irwin, Mingenew, Northampton.