Perennial, dwarf shrublet, up to 0.2 m high; roots fibrous, stems woody dark brown, almost black with age, much branched at apex. Leaves flattened, apex divided into 2 lobes, epidermis covered by raised white dots. Flowers solitary to ternate, yellow, suffused with red at apex and outer surfaces. Flowering time June-Aug. Capsules 5-locular, closing bodies inconspicuously bifid, covering membranes complete, valve wings very narrow at their bases.