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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Monday, 2 March 2026 +08:00.

Tribonanthes brachypetala Lindl.
Nodding Tiurndin

Reference
Sketch Veg.Swan R. xliv (1840)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tuberous, perennial, herb, 0.2-0.4 m high. Fl. white-yellow, Jul to Aug. Clay, granite, sand, peat. Seasonally-wet locations.

Grazyna Paczkowska, Descriptive Catalogue, 21 June 1994
Image

Scientific Description

Leaves flat, 80-115 mm long, 1-1.5 mm wide; bristles or hairs on the leaf margin absent; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape present, hairy, 260-410 mm long. Inflorescence subtended by a bract 15-32 mm long, with several flowers; floral bracts 6-10 mm long; pedicels present, 1-3 mm long; flowers 10-15 mm long. Perianth hairy, radially symmetrical, uniformly coloured, white to cream or green, with six more or less equal tepals, the inner segments 4-6 mm long. Stamens six, in one level; filaments 1.5-3.5 mm long; anther 3-4 mm long, with an appendage. Style 2.5-3 mm long. Flowers in July or August. Occurs in the Swan Coastal Plain, Jarrah Forest and Warren IBRA bioregion(s), of the South-west Botanical Province.

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

Distribution

IBRA Regions
Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Bunbury, Busselton, Capel, Cranbrook, Dardanup, Denmark, Gosnells, Harvey, Kalamunda, Manjimup, Mundaring, Perth, Plantagenet, Serpentine-Jarrahdale, Swan.