Lawrencia sp. Anna Plains (N.T. Burbidge 1433)

Scientific Description

Shrub, with hairy stems. Leaves 12-40 mm long, 1.5-8 mm wide, not lobed; margins entire or crenate; hairs and scales absent (leaves quite glabrous); stipules present and persistent to older leaves. 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 4-5.5 mm long, 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 white, 4.7-5.3 mm long, scales absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 1-1.2 mm long; anthers 0.6-0.7 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary; style 1, 2.4-3.2 mm long, with one style branches or lobes, mostly glabrous, wing absent. Flowering time August. Distribution Botanical Province Northern or Eremaean, IBRA Bioregion Gascoyne and Dampierland. Conservation Code Priority Three (P3).