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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Conostylis seorsiflora subsp. longissima Hopper

Reference
Fl.Australia 45:462 (1987)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, cushion forming stoloniferous perennial, grass-like or herb, 0.08-0.16 m high. Fl. yellow, Nov to Dec. Granitic soils.

Grazyna Paczkowska, Descriptive Catalogue, 20 June 1994

Scientific Description

Leaves flat, 50-100 mm long, 0.5-1 mm wide; bristles or hairs on the leaf margin absent; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape absent. Inflorescence subtended by a bract 15-22 mm long; floral bracts 7-15 mm long; pedicels present, 1-5 mm long; flowers 12-20 mm long. Perianth hairy, radially symmetrical, uniformly coloured, yellow, with six more or less equal tepals, the inner segments 8.5-11 mm long. Stamens six, in one level; filaments 1-1.2 mm long; anther 4-5 mm long, without an appendage. Style 7-10 mm long. Flowers in November or December. Occurs in the Esperance IBRA bioregion(s), of the South-west Botanical Province. Conservation Code Priority Two (P2).

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

Distribution

IBRA Regions
Esperance Plains.
IBRA Subregions
Fitzgerald, Recherche.
Local Government Areas (LGAs)
Esperance, Ravensthorpe.