Glabrous perennial to over 45 cm high. Stems procumbent to ascending. Leaves obovate to spathulate, thick, to 30 mm long, sometimes longer, obtuse to rounded at apex. Inflorescence a dense cylindrical spike; flowers arranged singly, subsessile, tribracteate; bracts herbaceous, triangular, shallowly erose. Hypanthium 1-1.5 mm long. Sepals 1.5-2 mm long, shallowly erose. Corolla white or cream; tube 6-7 mm long; lobes 4-5 mm long, obtuse. Gynoecium 3-partite. Cocci 4-6 mm long, with 3 prominent wings.
Grows in deep sand on dunes or in swales, on beaches, and beside lagoons, sometimes in shallow calcareous sand.