Herbs, prostrate, rooting at the nodes, the younger branches sparsely pubes-cent, the hairs uniseriate and ? retrorse. Leaves ovate to elongate-deltoid, acute, crenate-serrate, the bases ? truncate, ca 3-5 cm long and ca 2-3.5 cm wide, sparsely pubescent on both surfaces and on the margins; petioles ca 1.5-3 cm long, sparsely pubescent. Inflorescences verticils, ca 6-flowered, appearing as spike-like racemes, ca 5-10 cm long, the bracts lanceolate, ca 6-10 mm long, reflexed, or the lowermost verticil in the axils of reduced leaves. Flowers subsessile; bracteoles