Shrubs low, sometimes prostrate. Branchlets pubescent. Petiole 0.5-3 mm, pubescent; leaf blade broadly ovate to elliptic or suborbicular, 0.7-2 cm × 5-10 mm, glabrous or rarely pubescent at base abaxially, base cuneate to rounded, apex obtuse; primary veins 1-3 on each side of midrib, obscure. Flowers subsessile, clustered in groups of 2 or 3 at tips of lateral branchlets, rarely solitary. Calyx 2-3 mm. Corolla 8-10 mm; tube 1.5-2.5 × as long as lobes. Stamens not exceeding corolla lobes; anthers 1.5 mm. Fruit ovoid. Fl. Apr-Jul.