Compact, creeping herb forming dense patches up to 0.5 m across. Stems light brown, glabrous or very sparsely strigillose near margins of petioles, rooting at nodes. Lamina of lf with a conspicuous median depression, broadly elliptic to orbicular, 1.5-6 × 1.5-5 mm. Floral tube (1.4)-1.6-2.5 mm deep, glabrous. Petals white, (4)-5-10.7 × 3-7.5 mm. Capsule glabrous or nearly so, 1.5-3.8 cm long; fruiting pedicel (2)-3-6.8 cm long.