Perennial herb, forming mats, herbaceous to woody, prostrate to ascending, to 15 cm high, to 30 cm across, puberulous to glabrous, stoloniferous above ground, rhizomatous below. Leaves opposite, linear to elliptic to ovate, obtuse, the base attenuate; lamina flat, to 7 mm long; petiole c. 0.5 mm long. Flowers solitary, axillary, heterostylous, 6-merous; peduncle shorter than leaves, to c. 1 cm long; bracteoles narrowly ovate, c. 2 mm long, to 1.5 mm below flower. Hypanthium campanulate, 2–3 mm deep, markedly 12-ribbed, plicate in bud and flower; appendages 6, blunt, shorter than calyx lobes. Sepals 6, narrowly triangular, c. 0.5 mm long, white-membranous tipped. Petals 6, ovate, 3-4 mm long, mauve to pink. Stamens 6, inserted basally; anthers slightly exsert or markedly exsert to 4 mm. Capsule globose, c. 3 mm diam.; dehiscence irregular.
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