Lawrencia diffusa (Benth.) Melville
Kew Bull. 20:514 (1966)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Monday 23 September 1996

Diminutive, prostrate perennial, herb or shrub, 0.005-0.02 m high, 0.05-0.3 m wide. Fl. white, Sep to Nov. Sandy & clayey soils. Near salt lakes, claypans.


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Coolgardie, Esperance Plains, Geraldton Sandplains, Mallee, Murchison, Yalgoo.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Fitzgerald, Lesueur Sandplain, Mardabilla, Recherche, Southern Cross, Tallering, Western Mallee.

Local Government Areas (LGAs): Albany, Coolgardie, Dundas, Esperance, Gnowangerup, Greater Geraldton, Irwin, Jerramungup, Kent, Lake Grace, Menzies, Perenjori, Wongan-Ballidu, Woodanilling, Yilgarn.

Scientific Description
C. Hollister and K.R. Thiele, Wednesday 15 January 2020

Shrub. Stems glabrous or scaly. Leaves 6-30 mm long, 1.5-7 mm wide, irregularly lobed, simply (once-)lobed; margins entire; indumentum presentwith scales; stipules present and persistent to older leaves, 1.7-2.2 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 1.5 mm long; glabrous. Calyx 2.5 mm long, scales present. Corolla white, 2.5 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.4-0.6 mm long; anthers 0.5-0.6 mm long, indumentum absent (anthers glabrous). Ovary hairs and scales absent (ovary quite glabrous); style 1, 2.5 mm long, with one or four style branches or lobes, mostly glabrous. Flowering time September, October or November. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Yalgoo, Murchison, Coolgardie, Avon Wheatbelt, Mallee or Esperance.