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Lawrencia densiflora (Baker f.) Melville

Kew Bull. 20:514 (1966)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Ascending perennial, herb, 0.07-0.6 m high. Fl. white-green/yellow-cream, Jul to Oct. Sandy or clayey soils, limestone. Saline depressions, dry watercourses, claypans, limestone & gypsum ridges.

Grazyna Paczkowska, Descriptive Catalogue, 23 September 1996

Scientific Description

Shrub, with hairy stems. Leaves 10-40 mm long, 5-20 mm wide, irregularly lobed, simply (once-)lobed; margins entire; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves, 10-25 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel absent (flower sessile) or present, 0.5 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) absent, indumentum present, simple hairs (without tubercle bases) absent, stellate hairs present, gland-tipped hairs absentwith scales absent, Sessile glands absent. Calyx 4-4.6 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 absent. Corolla yellow, white, cream or green, 3-3.6 mm long, glabrous, scales absent. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 1.5 mm long; anthers 0.3 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); style 1, 3.2-4.2 mm long, with one or numerous style branches or lobes, mostly glabrous, wing absent. Flowering time July, August, September or October. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, Yalgoo and Murchison.

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


IBRA Regions
Carnarvon, Gascoyne, Little Sandy Desert, Murchison, Pilbara, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carnegie, Chichester, Eastern Murchison, Edel, Fortescue, Hamersley, Rudall, Trainor, Western Murchison, Wooramel.
IMCRA Regions
Ningaloo, Shark Bay.
Local Government Areas (LGAs)
Ashburton, Carnarvon, Cue, East Pilbara, Exmouth, Laverton, Leonora, Meekatharra, Murchison, Port Hedland, Sandstone, Shark Bay, Upper Gascoyne, Wiluna.