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

20. Elatostema lineolatum Wight, Icon. Pl. Ind. Orient. 6: 11, t. 1984. 1853.

狭叶楼梯草 xia ye lou ti cao

Elatostema lineolatum var. majus Weddell.

Subshrubs monoecious or dioecious, 50-200 cm tall. Stems ascending or erect, branched, densely strigose. Leaves alternate; nanophylls absent; stipules linear or narrowly triangular, 4-7 × 0.5-1 mm, strigose; without cystoliths, petiole 0-1 mm; leaf blade obliquely obovate-oblong or oblong, 3-15 × 1.2-4 cm, herbaceous or papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, both surfaces strigillose along veins; cystoliths conspicuous or obscure, dense; base obliquely cuneate, margin dentate, apex acuminate or cuspidate. Male inflorescences solitary, simple, 5-10 mm in diam.; pedunculate, receptacle 1.5-3.5 mm in diam.; bracts connate, bracteoles spatulate-linear or cymbiform. Female inflorescences solitary, 2-4 mm in diam., sessile; receptacle 1-2.5 mm in diam.; bracts triangular; bracteoles narrowly oblanceolate. Male flowers 4-merous. Achenes ellipsoid, 7- or 8-ribbed. Fl. Oct-May.

Mountain streamsides, forest margins, thickets; 200-1800 m. Fujian, Guangdong, Guangxi, Taiwan, SE Xizang, S Yunnan [Bhutan, India, Myanmar, Nepal, Sikkim, Sri Lanka, Thailand].


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