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Cruciferae: Lepidium drummondii

Unknown collector, 103

Species

Lepidium drummondii Thell.

Original Distribution

Australia, Western Australia

Extinction Data

IUCN = Extinct Listed 1989, FloraBase = Extinct, Listed Extinct by WCMC 1996

Description

Drummond’s Lepidium. Herbaceous annual, up to 15 cm high, stems flower stalk and leaves sparsely coververed with needle-sharp hairs. Leaves sessile, up to 2 cm long, ear-like lobes at the base, thoyh at apex, hairs on the surface and margins. Inflorescence raceme. Flowers sepal about 1 mm long, petal absent, two stamens. Fruit up to 4 mm long and 2.5 mm wide glabrous, flattened pod, apex notched

Number of Specimens at Kew

4

Specimen Type (Y/N)

N

Kew Herbcat Barcode Number

K000518028

Collector Number

103

Date Collected

1846

Other Information

James Drummon made only two collections, made in 1844 and 1849, of this species, both from the Darling District (probably between Albany and the Perth area) of Western Australia. The species has not been found since. Cause: No information is known, but likely cause are land clearing and grazing by live stock, grazing by rabbits and maybe by urban development

Information Sources

 Briggs, J.D. & Leigh, J.H. (1988) Rare or threatened Australian Plants. Australin National Parks and Wildlife Service. Briggs, J.D. & Leigh, J.H. (1996) Rare or threatened Australian Plants. CSIRO publishing, Melbourne. Brown, A., Thomson-Dans, C. & Marchant, N. (1998) Western Australian Threatened flora. Department of Conservation and Land Management, Perth. Leigh, J.H., Briggs, J. & Hartley, W. (1981) Rare or threatened Australian Plants. Australian plants National Parks and Wildlife Service. Special publication nr 7. pp 37. Leigh, J., Boden, R. & J. Briggs (1984) Extinct and Endangered Plants of Australia. Macmillan, Melbourne. Pp 171 Walter, K.S. and Gillett, H.J. (eds) (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre IUCN – The World Conservation Union, Gland, Switzerland and Cambridge, UK, Extinct Plant Species of the World IUCN Survey and preliminary report: April 1989