Spreading herb to 30 cm high. Leaves alternate; petiole 2–10 mm long, glabrous; lamina obovoid-elliptic, (4–) 8–15 mm long, (3–) 6–10 mm wide, apically obtuse, generally rounded, 3-veined, glabrous, glossy above. Spikes terminal or occasionally axillary, 2–6 cm long. Fruit ovoid, brownish.