Shrubs ca. 3 m tall; branches inconspicuously 4-angled, glabrous but strigillose at nodes. Leaves opposite, subequal in size; stipules triangular-lanceolate, 7-10 mm; petiole 1.5-3 cm, strigillose or glabrescent; leaf blade lanceolate, 15-19 × 4-5 cm, herbaceous, secondary veins 3 pairs along midvein, both surfaces glabrous, but sparsely appressed strigillose on veins, adaxial surface smooth, base rounded, slightly oblique, margin finely serrulate, apex long acuminate, tip serrulate. Glomerules on axillary, lax, spikelike shoots, each dichotomously forked at lowermost glomerule; male not known, female ones 10-16 cm. Fruiting perianth narrowly rhomboid-obovoid, compressed, ca. 1.2 mm, sparsely appressed puberulent on shoulder, base cuneate, stipitate, apex 2-toothed. Fl. Oct.

* Secondary forests; ca. 300 m. SW Yunnan.