Skip to main content

Guichenotia astropletha C.F.Wilkins

Austral.Syst.Bot. 16:338-339,Fig.7a (2003)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Erect, multi-stemmed shrub, to 1.5 m high. Fl. pink, Aug. White-yellow sandy gravel, brown loam, laterite, quartz. Dune ridges on sandplains, hills.

Amanda Spooner, Descriptive Catalogue, 9 December 2002

Scientific Description

Shrub, with hairy stems. Leaves 8-25 mm long, 1-5 mm wide, not lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves, 4-6 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 3-4 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 2.5-3.8 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, 10-12 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 1.2-1.7 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens five, free and inserted at the base of the ovary; filaments present, 1-1.2 mm long; anthers 3.4-4 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, 3.7-4 mm long, with one style branches or lobes, hairy for most of length, wing absent. Flowering time August. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains and Avon Wheatbelt.

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


IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Bruce Rock, Carnamah, Coorow, Mingenew.