Plant to 10 cm tall. Leaves 3, well separated or lowest basal and upper 2 close together below flower; lowest leaf filiform or linear, to 2.5 mm wide, not dilated basally; middle leaf dilated basally, with short or long narrow apical portion; upper leaf dilated with pointed apex. Flower 1, occasionally 2, bisexual. Perianth 6-7 mm long; tepals usually 6, 7 or 8, connate for less than a fifth of length, white, often with pink flushing, becoming general with age; nectary 1 per tepal slightly above middle, a circular, elliptic or quadrangular, slightly depressed spot or bar at midline of tepal, markedly sunken when dried, purple. Stamens c. 2/3 as long as perianth; anthers c. 1 mm long, purple or red. Styles free.
Grows in seasonally wet places such as on and near granite outcrops and also recorded from a variety of other habitats including sandy plains, saline red loam with chenopods, a limestone plain, and eucalypt woodland.