Annual or perennial herb, succulent, erect, fastigiate branches woody towards base, leaf pairs spirally arranged, old ones remaining on stem, ± 0.25 m high. Leaves triangular, 4-10 x 2-4 mm, subulate, tapering into stout terminal hair, dorsiventrally compressed, glabrous except for marginal cilia, leathery, green to grey-green. Inflorescence a round-topped thyrse, 1-several dichasia half-hidden by leaves, many pedicellate flowers, indistinct peduncle with leaf-like bracts, scarcely shorter upwards. Calyx: lobes of different lengths, fleshy, acute tapering into stout hair, glabrous, green. Corolla tubular, fused 0.3-0.8 mm, cream-coloured to white; lobes oblong to oblanceolate, 2-3 mm long, rounded, slightly hooded, erect. Flowering time Nov.-Jan.