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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 phathyrantha Diels

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

Rhizomatous, tufted perennial, grass-like or herb, 0.13-0.3 m high, inflorescences below leaves on short peduncles. Fl. yellow, Aug to Oct. White or grey sand, peat. Winter-wet depressions.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1994

Scientific Description

Leaves flat, 90-300 mm long, 2-6 mm wide; bristles or hairs on the leaf margin present, 0.2-1 mm long, with at least some small side branches at the base, flexuose and soft, angled towards the leaf apex; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape present, hairy, 55-100 mm long. Inflorescence subtended by a bract 3-4.5 mm long, with several flowers; floral bracts 5-5.5 mm long; pedicels present, 3-5 mm long; flowers 10-14 mm long. Perianth hairy, radially symmetrical, uniformly coloured, yellow, with six more or less equal tepals, the inner segments 5.5-6.5 mm long. Stamens six, in one level; filaments 0.2-0.7 mm long; anther 1.8-2.5 mm long, without an appendage. Style 4-7 mm long. Flowers in August, September or October. Occurs in the Mallee and Esperance IBRA bioregion(s), of the South-west Botanical Province.

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

Distribution

IBRA Regions
Esperance Plains, Mallee.
IBRA Subregions
Eastern Mallee, Recherche.
IMCRA Regions
Eucla, WA South Coast.
Local Government Areas (LGAs)
Esperance.