Lawrencia helmsii (F.Muell. & Tate) Lander Dunna Dunna
Nuytsia 5:252 (1985)

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

Brief Description
Grazyna Paczkowska, Monday 23 September 1996

Erect, cactus-like shrub, (0.1-)0.3-1.5 m high. Fl. yellow-green, Jul to Dec. Sandy soils, clay. Gypsum & limestone ridges, near salt lakes.


Beard’s Provinces: Eremaean Province.

IBRA Regions: Coolgardie, Gascoyne, Little Sandy Desert, Murchison, Pilbara, Yalgoo.

IBRA Subregions: Carnegie, Eastern Goldfield, Eastern Murchison, Fortescue, Tallering, Trainor, Western Murchison.

Local Government Areas (LGAs): Ashburton, Coolgardie, Cue, East Pilbara, Kalgoorlie-Boulder, Laverton, Leonora, Meekatharra, Menzies, Sandstone, Wiluna, Yalgoo.

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

Shrub. Stems hairy. Leaves 2-7 mm long, 1-3 mm wide, not lobed; margins entire; indumentum presentwith scales; stipules present and persistent to older leaves, 1-3 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel absent (flower sessile). Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx 1.5-5 mm long, the lobes fused half or more of their length, scales present. Corolla yellow or green, 1-5 mm long, glabrous. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.5-1 mm long; anthers 0.5-1 mm long, indumentum absent (anthers glabrous). Ovary hairs and scales absent (ovary quite glabrous); style 1, 0.5-3 mm long, with one or numerous style branches or lobes, mostly glabrous. Flowering time July, August, September, October, November or December. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara, Gascoyne, Little Sandy Desert, Yalgoo, Murchison or Coolgardie.