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Elatostema longipes

Description from Flora of China

Herbs perennial, monoecious, 30-50 cm tall, glabrous. Stems ascending or erect, simple. Leaves alternate; nanophylls absent; stipules lanceolate or subulate, 3-4.5 × 0.3-0.6 mm, with cystoliths; petiole ca. 1 mm; leaf blade obliquely elliptic, 7-13 × 2.5-4.5 cm, herbaceous, major basal lateral veins asymmetric, 1 basal, the other arising above base, or both absent and venation pinnate, cystoliths conspicuous, dense; base with broader half auriculate, margin dentate, apex acuminate. Male inflorescences solitary, simple, ca. 18 × 12 mm; peduncle 135-155 mm; receptacle elliptic, ca. 17 × 10 mm; bracts obscure; bracteoles narrowly linear. Female inflorescences solitary, 2-5 mm in diam.; peduncle ca. 1 mm; receptacle 2-4 mm in diam.; bracts broadly ovate; bracteoles broadly elliptic. Male flowers 5-merous. Achenes ovoid, 6-ribbed. Fl. Aug.

* Shaded moist rocks in mountains; 1200-1300 m. SE Sichuan.


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