Herbs perennial, dioecious, ca. 100 cm tall. Stems ascending or erect, simple, glabrous. Leaves alternate; nanophylls absent; stipules narrowly lanceolate, 10-14 × 2-3 mm, glabrous, with cystoliths; petiole 1-3.5 mm; leaf blade obliquely obovate or elliptic, 6-14.5 × 2-5.5 cm, papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface puberulent along nerves, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base obliquely cuneate, margin dentate, apex cuspidate. Male inflorescences solitary, simple, 14-16 mm in diam.; peduncle 14-42 mm; receptacle oblong, 13-16 × 6-8 mm in diam.; bracts connate, ca. 1 mm; bracteoles linear. Male flowers 4-merous. Fl. Mar.
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