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 Conservation listings displayed on Florabase may also be out of date.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

Anigozanthos bicolor subsp. decrescens Hopper

Reference
Fl.Australia 45:455 (1987)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, perennial, herb, 0.1-0.5 m high. Fl. green&red, Aug to Oct. White, pink, grey or black sand. Swamp flats, road verges.

Grazyna Paczkowska, Descriptive Catalogue, 21 June 1994

Scientific Description

Leaves flat, 55-65 mm long, 1-4 mm wide; bristles or hairs on the leaf margin present, 0.4-0.7 mm long, with at least some small side branches at the base, straight and rigid, lying parallel with the margin; hairs on the surface of the leaf absent (leaf surfaces glabrous). Scape present, hairy, 300-405 mm long. Inflorescence subtended by a bract 10-14 mm long, with several flowers; floral bracts 12-14 mm long; pedicels present, 4-6 mm long; flowers 50-70 mm long. Perianth hairy, bilaterally symmetric, distinctly bicoloured, red and green, with six more or less equal tepals, the inner segments 7-11 mm long. Stamens six, in three levels, in pairs; filaments 3.5-7 mm long; anther 4-5 mm long, without an appendage. Style 50-70 mm long. Flowers in August, September or October. Occurs in the Avon Wheatbelt, Jarrah Forest, Warren and Esperance IBRA bioregion(s), of the South-west Botanical Province.

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

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Warren.
IBRA Subregions
Fitzgerald, Katanning, Northern Jarrah Forest, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Albany, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Collie, Cranbrook, Denmark, Donnybrook-Balingup, Manjimup, Nannup, Narrogin, Plantagenet, Wandering, West Arthur, Williams.