Skip to main content

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 Conservation listings displayed on Florabase may also be out of date.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.

Thomasia gardneri Paust
Mt Holland Thomasia

Reference
Nuytsia 1:353, Fig. 4 (1974)
Conservation Code
Presumed Extinct
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, multi-stemmed shrub, to 0.5 m high. Fl. pink-purple, Sep.

Grazyna Paczkowska, Descriptive Catalogue, 2 October 1996

Scientific Description

Shrub, with hairy stems. Leaves 10-20 mm long, 3-7 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves or present but early deciduous (only visible on youngest leaves). Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 4-6 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 2-2.5 mm long, the lobes free, indumentum present, stellate hairs absentwith scales scales, Sessile glands absent. Calyx pink or purple, 8-10 mm long, the lobes fused half or more of their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales scales present, Terminal appendages absent, number of ribs present, one. Corolla 1.5-2 mm long, hairs or scales present or glabrous, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent. Indumentum (outside) Sessile glands absent. Stamens five, free and inserted at the base of the ovary; filaments present, 1.3-1.5 mm long; anthers 2.2-2.5 mm long, indumentum absent (anthers glabrous). Staminodes present, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs absent; style 1, with a lobed or capitate stigma, 2-2.6 mm long, with one style branches or lobes, mostly glabrous, wing absent. Flowering time September. Distribution Botanical Province Eremaean, IBRA Bioregion Coolgardie. Conservation Code Presumed Extinct (X).

C. Hollister and K.R. Thiele, 11 August 2023

Distribution

IBRA Regions
Coolgardie.
IBRA Subregions
Southern Cross.
Local Government Areas (LGAs)
Yilgarn.