Herbs perennial, stoloniferous, dioecious or monoecious. Stems 25-75 cm tall, woody at base, succulent distally, with galls on mid portion of internodes, glabrous, rarely puberulent distally, densely covered cystoliths, Stipules soon deciduous, greenish, oblong, 8-12 mm, herbaceous; petiole thin, subequal in length, 1-7 cm; leaf blade abaxially pale green, adaxially dark green and lustrous, ovate or ovate-lanceolate, subequal in size, 4-11 × 1.5-4.5 cm, membranous, 3-veined, lateral veins 8-13 each side, cystoliths fusiform, conspicuous on both surfaces, base rounded rarely broadly cuneate, margin shallowly serrate, rarely doubly serrate along apical margin. Inflorescences solitary; male inflorescence a racemelike-cyme, 2-5 cm; female a compact cyme of glomerules, shorter than males. Male flowers yellow-green, pedicellate or sessile, in bud ovoid, ca. 1 mm; perianth lobes 4, connate 1/2 of length, subapically corniculate; stamens 4; rudimentary ovary small. Female flowers subsessile, in bud ca. 0.5 mm; perianth lobes connate 1/2 of length, equal, apex obtuse; staminodes 3, small, scale-like, oblong. Achene oblong-ovoid, ca. 0.8 mm, compressed, oblique, spinulose-verrucose. Fl. Jun-Sep, fr. Sep-Nov.
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A herb. It keeps growing from year to year. The stems are 25-75 cm tall. They are woody at the base. The leaves are pale green underneath and dark green above. The leaves are 4-11 cm long by 2-5 cm wide.
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