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

144. Elatostema albopilosum W. T. Wang, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 7: 88. 1980.

疏毛楼梯草 shu mao lou ti cao

Herbs perennial, monoecious, 35-75 cm tall. Stems ascending or erect, branched, pilose. Leaves alternate; nanophylls absent; stipules linear or oblong, 4-7 × 1.5-2.8 mm, glabrous, with cystoliths; petiole 0-2.5 mm; leaf blade obliquely oblanceolate-oblong, 12-17 × 3-5 cm, herbaceous, major basal lateral veins absent and venation pinnate, abaxial surface sparsely puberulent along veins, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half auriculate, margin dentate, apex cuspidate or caudate. Male inflorescences solitary, simple, 13-28 mm in diam.; peduncle 80-150(-330) mm; receptacle broadly elliptic, 12-22 × 10-18 mm; bracts connate, ca. 3 mm; bracteoles narrowly linear. Female inflorescences solitary, 1.5-5 mm in diam.; peduncle 0-1.5 mm; receptacle nearly oblong, 1-4 mm; bracts triangular; bracteoles spatulate or linear. Male flowers 5-merous. Achenes ellipsoid, 5-ribbed. Fl. Oct.

* Shaded moist areas under valley forests; 1200-2500 m. NW Guangxi, S Sichuan, S Yunnan.


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