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 Conservation listings displayed on Florabase may also be out of date.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

Guichenotia impudica C.F.Wilkins

Reference
Austral.Syst.Bot. 16:342,344,Fig.11 (2003)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, 0.25-1 m high. Fl. pink-purple, Aug to Oct. Laterite.

Helen Coleman, Descriptive Catalogue, 9 April 1998

Scientific Description

Shrub, with hairy stems. Leaves 4-7 mm long, 0.8-1.8 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 2.5-7 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 2 mm long, the lobes free, indumentum present, simple hairs (without tubercle bases) absent, stellate hairs present, gland-tipped hairs absentwith scales absent, Sessile glands absent. Calyx pink or purple, 5-10 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages absent, number of ribs present, three. Corolla 1-1.8 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens five, free and inserted at the base of the ovary; filaments present, 0.1-0.5 mm long; anthers 1.3-1.5 mm long, indumentum present (a tuft of hairs at the apex). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs present, gland-tipped hairs absent; style 1, with a lobed or capitate stigma, 3-4 mm long, with one style branches or lobes, hairy for most of length, wing absent. Flowering time August, September or October. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains, Avon Wheatbelt and Jarrah Forest. Conservation Code Priority Three (P3).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest.
IBRA Subregions
Geraldton Hills, Katanning, Merredin, Northern Jarrah Forest.
Local Government Areas (LGAs)
Corrigin, Goomalling, Kellerberrin, Northampton, Tammin, Victoria Plains, Wongan-Ballidu.