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Elatostema polystachyoides

Description from Flora of China

Herbs perennial, dioecious, 50-70 cm tall. Stems ascending or erect, branched or simple, glabrous. Leaves alternate; nanophylls absent; stipules narrowly lanceolate, 8-12 × 1-2 mm, glabrous, with cystoliths; petiole 1-4 mm; leaf blade obliquely oblong-oblanceolate or oblong, 16-24.5 × 3.5-5.5 cm, herbaceous, major basal lateral veins absent and venation pinnate, cystoliths conspicuous, dense; base obliquely cuneate, margin crenate, apex acuminate. Male inflorescences in pairs, branched, 12-20 mm in diam., sessile; receptacle absent; bracts alternate, triangular to lanceolate, 0.5-1.2 mm. Female inflorescences solitary or in pairs, 5-6 mm in diam.; peduncle 0-1 mm; receptacle ca. 5 mm in diam.; bracts triangular; bracteoles narrowly linear. Male flowers 5-merous. Achenes narrowly ellipsoid, 6-ribbed. Fl. Nov-Apr.

* Evergreen broad-leaved forests or forest margins on limestone mountains; 1000-1800 m. SE Yunnan.


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