Perennial, caespitose shrublet forming dense clumps, becoming cushion-like with age, up to 0.05 m high, with thickened rootstock, succulent. Leaves opposite, broadly lanceolate, shortly acute, base truncate, central pair borne upright, outer pair spreading, smooth bright pale green, apex mucronate. Flowers borne in cymes, nocturnal, yellow, tinged red below. Flowering time spring to early autumn, peaking in Nov., Dec. Capsules 5-locular with rounded closing bodies, expanding sheets reduced, expanding keels lanceolate, valve wings absent.
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