Herbs perennial, monoecious or dioecious, ca. 25 cm tall, glabrous. Stems ascending, simple. Leaves alternate; nanophylls absent; stipules linear, ca. 8 × 1-1.5 mm, without cystoliths; petiole 1-4 mm; leaf blade obliquely elliptic, 5.5-14 × 2.5-5 cm, herbaceous, major basal lateral veins both arising at base of leaf blade, cystoliths conspicuous, dense; base with broader half rounded, margin entire, apex acuminate. Male inflorescences solitary, simple, 8-11 mm in diam.; peduncle 20-35 mm; receptacle 6-9 mm in diam.; bracts connate, bracteoles oblong. Female inflorescences solitary, 4-7 mm in diam.; peduncle 5-40 mm; receptacle nearly orbicular, 3-6 mm in diam.; bracts narrowly triangular; bracteoles lanceolate or spatulate-linear. Male flowers 4-merous. Fl. Jun.
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