Much-branched perennial c. 30 cm high. Branches velvety. Leaves alternate, succulent, semiterete c. 15 mm long, appressed-villous to silky. Flowers solitary. Perianth silky-villous. Stamens 5. Fruiting perianth c. 4 mm high excluding spines, densely long silky-villous, usually fawn-coloured; attachment narrowly oblong, c. 3 mm long, oblique; base hollow, occupying c. 2/3 of perianth; tube dorsiventrally compressed; spines 2, obliquely erect, c. 6 mm long; tubercle prominent; limb erect but inflexed towards apex. Seed oblique to horizontal, depressed; radicle erect.