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Corchorus incanus subsp. lithophilus Halford

Austrobaileya 6:594-596,628,Fig.5(2004)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Spreading, viscid shrub, to 1 m high. Fl. yellow, May or Aug to Oct. Skeletal red soil, gravelly sand. Stony creeks & slopes, hill summits, plains, floor of gorges.

Amanda Spooner, Descriptive Catalogue, 13 February 2006

Scientific Description

Herb or shrub, with hairy stems. Leaves 40-90 mm long, 11-50 mm wide, not lobed; margins serrate; hairy, with stellate hairs, with gland-tipped hairs absentwith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves). Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 3-4.7 mm long; indumentum present, with absent, with stellate hairs present, with gland tipped hairs absent, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absentwith scales absent. Calyx cream or white, 12-14 mm long, the lobes fused less than half their length, Sessile glands absent, stellate hairs present, scales absent, Terminal appendages absent, number of ribs absent. Corolla yellow, 10-12 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, free and inserted at the base of the ovary; filaments present, 4.8-5.6 mm long; anthers 0.5-0.7 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, 4.6-6.2 mm long, with one style branches or lobes, mostly glabrous, wing absent. Flowering time May, August, September or October. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara.

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


IBRA Regions
IBRA Subregions
Fortescue, Hamersley.
Local Government Areas (LGAs)
Ashburton, East Pilbara.