Perennial, dwarf shrublet, up to 0.2 m high, forming mats, stems ascending later decumbent with age. Leaves trigonous-terete, bright green becoming reddish in dry season, erect, highly anisophyllous, decussate, margins white. Flowers stalked, solitary, yellow. Flowering time winter. Capsules pale brown, 8-locular, top high, valves without wings or awns.