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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. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). 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 Wednesday, 1 July 2026 +08:00.

Guichenotia intermedia C.F.Wilkins

Reference
Austral.Syst.Bot. 16:344-346,Fig.12 (2003)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, multistemmed shrub, to 1 m high. Fl. purple-pink, May or Jul to Aug. Sand over limestone, sandstone, laterite. Flats, mid-slopes, tops of coastal cliffs, road verges.

Amanda Spooner, Descriptive Catalogue, 25 June 2002

Scientific Description

Shrub, with hairy stems. Leaves 20-50 mm long, 1-10 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves, 12-25 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 6-10 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 4-6 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, 9.5-11 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 2-2.2 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens five, free and inserted at the base of the ovary; filaments present, 1.5-3.5 mm long; anthers 4-4.2 mm long, indumentum absent (anthers glabrous). 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, 2.5-3.1 mm long, with one style branches or lobes, hairy for most of length, wing absent. Flowering time May, July or August. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains.

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

Distribution

IBRA Regions
Geraldton Sandplains.
IBRA Subregions
Geraldton Hills, Lesueur Sandplain.
IMCRA Regions
Central West Coast.
Local Government Areas (LGAs)
Carnamah, Northampton.