Herbs perennial, dioecious, ca. 40 cm tall. Stems erect, branched, glabrous. Leaves alternate, glabrous; nanophylls absent; stipules subulate, 2.5-3.2 × 0.1-0.2 mm; petiole 1-4 mm; leaf blade obliquely elliptic, 7.5-11 × 3-5 cm, herbaceous, major basal lateral veins asymmetric, 1 basal, the other arising above base, cystoliths conspicuous, dense; base with broader half broadly cuneate, margin denticulate, apex acuminate. Female inflorescences solitary, 5-13 × 4-11 mm; peduncle 1-4 mm; receptacle oblong, 4-11 × 3-10 mm; bracts obscure or triangular; bracteoles linear. Achenes ellipsoid, 3-ribbed, tuberculate. Fl. Jul.
Home