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

96. Elatostema longistipulum Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 57: 242. 1920.

显脉楼梯草 xian mai lou ti cao

Herbs perennial, dioecious, 50-70 cm tall. Stems ascending or erect, usually simple, strigose. Leaves alternate; nanophylls absent; stipules linear-lanceolate, 7-11 × 1-1.5 mm, strigillose along costa, with cystoliths; petiole 0-2.5 mm; leaf blade lanceolate or narrowly lanceolate, 7-12 × 1.3-2.5 cm, papery, major basal lateral veins both arising at base of leaf blade, abaxial surface sparsely strigillose along nerves, adaxial surface glabrous, cystoliths conspicuous, dense; base obliquely cuneate, margin denticulate, apex acuminate or caudate-acuminate. Male inflorescences solitary, simple, 6-15 × 5-11 mm; peduncle ca. 2.5 mm; receptacle oblong, ca. 7 × 4 mm; bracts connate, 3-4 mm; bracteoles cymbiform-linear. Female inflorescences solitary, 5-7 mm in diam.; peduncle ca. 1 mm; receptacle 4-6 mm in diam. Male flowers 5-merous. Fl. Nov-Jan.

Valley streamsides, forest margins; 1000-1300 m. W Guangxi, SE Yunnan [N Vietnam].


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