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Thomasia quercifolia (Andrews) J.Gay
Oak Leaved Thomasia

Reference
Mém.Mus.Hist.Nat. 7:459 (1821)
Conservation Code
Priority Four
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, ca 1 m high.

Grazyna Paczkowska, Descriptive Catalogue, 2 October 1996
Image

Scientific Description

Shrub, with hairy stems. Leaves 10-30 mm long, 10-25 mm wide, tripartitely lobed, simply (once-)lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves), 5-6.5 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 3-5 mm long, indumentum present, stellate hairs presentwith scales absent, Sessile glands absent. Calyx pink or purple, 6.5-7 mm long, the lobes fused half or more of 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, one. Corolla 0-0.4 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 2-2.2 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, 1.7-2 mm long, with one style branches or lobes, mostly glabrous, wing absent. Flowering time April, August, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Warren and Esperance. Conservation Code Priority Four (P4).

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

Distribution

IBRA Regions
Jarrah Forest, Warren.
IBRA Subregions
Southern Jarrah Forest, Warren.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Denmark, Manjimup.