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FOC | Family List | FOC Vol. 5 | Urticaceae | Elatostema

95. Elatostema retrohirtum Dunn, Bull. Misc. Inform. Kew, Addit. Ser. 10: 249. 1912.

曲毛楼梯草 qu mao lou ti cao

Herbs perennial, dioecious, 15-35 cm tall. Stems ascending or erect, branched, densely retrorse-strigose. Leaves alternate; nanophylls absent; stipules linear-lanceolate, 4-6 × 1.5-2 mm, strigillose, with cystoliths; petiole 0-1 mm; leaf blade obliquely elliptic, 3-7.5 × 1.5-4 cm, herbaceous or papery, major basal lateral veins both arising at base of leaf blade, abaxial surface densely puberulent along nerves, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half nearly auriculate, margin denticulate, apex short acuminate or acute. Female inflorescences solitary, 3.5-6 mm in diam.; peduncle ca. 1 mm; receptacle 3-5.5 mm in diam.; bracts triangular; bracteoles spatulate-linear. Achenes ovoid or ellipsoid, 6-ribbed. Fl. Jun-Sep.

* Hill or valley forests, woodland margins; 600-700 m. N Guangdong, Guangxi, S Sichuan, Yunnan.


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