Annual, occasionally perennial herb, 0.15-0.30 m high. Leaves up to 140 x 20 mm, spathulate, somewhat fleshy; cauline leaves smaller, obovate. Flowers in few-flowered cymes. Calyx: segments 5, lanceolate to elliptic, keeled. Corolla white; tube 7.5-10.5 mm long, clawed. Stamens inserted 0.75-1.50 mm below corolla sinuses; anthers with dark, red-brown apical glands and 2 basal glandular dots. Style with swelling confluent with stigma or below middle of style; stigma clavate, bilobed. Fruit a capsule.
Procumbent, mat-forming, perennial herb, up to 0.6 m high. Leaves in basal rosette, elongate-spathulate, up to 140 x 20 mm, fleshy, stem leaves smaller. Flowers: in compact cymes; peduncle erect; filaments up to 0.5 mm long; anthers with conspicuous dark, red-brown, apical glands; style with swelling above middle or confluent with stigma, style and stigma 2.0-3.5 mm long; corolla with tube 7.5-10.5 mm long, white, sweetly scented; Sep.-Jan.