Small shrubs 1-1.5 m tall; branches light brown, strigose. Dioecious. Leaves opposite, unequal in size; stipules subulate-lanceolate, 8-10 mm; petiole 1-6 cm, strigose; leaf blade elliptic, 8-14 × 3-5.5 cm, secondary veins 2 pairs along midvein, abaxial surface sparsely strigose along veins, adaxial surface glabrous, base cuneate, margin denticulate, apex acuminate. Glomerules on axillary spikelike branches, often with less straight branches from base, ca. 10 cm. Fruiting perianth broadly ovoid, compressed, ca. 1 mm, strigose on shoulder, 2-toothed. Fl. and fr. Sep.

* Moist places, along streams; ca. 200 m. Hainan (Ledong).