Herbs perennial, dioecious, 40-50 cm tall. Stems ascending or erect, simple, puberulent. Leaves alternate; nanophylls absent; stipules linear-lanceolate or triangular, 7-10 × 2-2.5 mm, pubescent on adaxial surface along costa, with cystoliths; petiole 1.5-3.5 mm; leaf blade oblong-elliptic, 8-12 × 3.5-5 cm, herbaceous, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface puberulent, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half rounded, margin dentate, apex acuminate. Male inflorescences solitary, simple, 5-7 mm; peduncle 10-13 mm, puberulent; receptacle nearly oblong, ca. 5.5 × 2.5 mm; bracts connate, 1-1.5 mm; bracteoles oblong or cymbiform-linear. Fl. Apr.

* Mountain streamsides; 1000-1100 m. Guangxi (Tianlin).