Perennial, succulent herb, woody branches erect or scrambling, 0.1-0.4 m high, internodes not visible between leaves, old leaves remain attached. Leaves sessile, triangular to ovate, 2-8 x 1-4 mm, acute or obtuse, of equal length, glabrous, fleshy, leathery, green to brown. Inflorescence a thyrse, many sessile dichasia in axils of leaves; flowers sessile, 5-merous. Calyx shorter than petals. Corolla cup-shaped, scarcely fused at base, pale green to brown; lobes narrowly triangular, 1-2 mm long, acute, erect, keeled. Flowering time Oct.-Apr. (but any time after sporadic rain).
Densely leafy perennial, with erect to scrambling, ± woody branches, 0.05-0.4 m tall. Leaves obscuring stems, sessile, triangular to ovate, dorsiventrally flattened and leathery, 2-8 x 1-4 mm. Flowers in ± sessile clusters arranged along stems, sessile, cup-shaped, petals 1-2 mm long, pale yellow-green to brown.
Sprawling, closely leafy perennial with woody stems, 10-50 cm. Leaves opposite, imbricate, ovate-triangular, fleshy. Flowers in sessile, axillary cymes, star-shaped, yellowish green, petals 1-2 mm long, sepals to two-thirds as long.