Erect or suberect shrublet, 15-50 cm high (1/2-1 3/4 ft). Branches subvirgate, the younger puberulous, the older glabrous. Leaves 3-nate, spreading or occasionally suberect, straight or slightly curved inwards, 2.1-3.7 mm long, 0.5-0.9 mm broad, elliptic, sulcate, glabrous, shining; petioles adpressed. Flowers in tight heads, pseudo-spikes up to 1 cm long or occasionally in terminal clusters; peduncles recurved, 0.8-2.5 mm long; bracts two, 1 mm long, puberulous. Sepals 1.1-1.2 mm long, 0.4-0.6 mm broad, free or slightly imbricate, ovate, concave, keel-tipped, sometimes ciliate. Corolla 1.5-2.0 mm long, cyathiform, bulging out between the sepals, glabrous, dry; lobes 0.7-0.8 mm long, obtuse. Filaments 0.8 mm long, sigmoid; anthers included, 0.6-0.8 mm long, lateral, smooth, muticous. Ovary depressed-globose, glabrous; style thick, manifest or exserted; stigma cyathiform.