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Chinese Plant Names | Family List | Urticaceae | Elatostema

29. Elatostema monandrum (D. Don) H. Hara, Fl. E. Himal. 3rd. Rep. 21. 1975.

异叶楼梯草 yi ye lou ti cao

Description from Flora of China

Procris monandra D. Don, Prodr. Fl. Nepal. 61. 1825; Elatostema diversifolium Weddell; E. monandrum f. ciliatum (J. D. Hooker) Hara; E. monandrum f. pinnatifidum (J. D. Hooker) Hara; E. monandrum var. ciliatum (J. D. Hooker) Murti; E. monandrum var. pinnatifidum (J. D. Hooker) Murti; E. muscicola W. T. Wang; E. surculosum Wight; E. surculosum var. ciliatum J. D. Hooker; E. surculosum var. elegans J. D. Hooker; E. surculosum var. pinnatifidum J. D. Hooker; Pellionia mairei H. Léveillé.

Herbs dioecious, 5-20 cm tall. Stems ascending or erect, usually simple, pilose, furfuraceous. Leaves usually opposite, glabrous or glabrescent; nanophylls elliptic to lanceolate, 2-6 mm; stipules obscure; petiole 1-2 mm; leaf blade obliquely cuneate, obliquely elliptic, or lanceolate, 0.8-4(-6.5) × 0.4-1.2(-2) cm, herbaceous or membranous, major basal lateral veins both arising at base of leaf blade, cystoliths conspicuous, sparse or present only along margins; base obliquely cuneate, margin dentate or pinnatifid, apex acute to acuminate. Male inflorescences solitary, simple, 1.5-2 mm in diam.; peduncle 0-1 mm; receptacle obscure; bracts connate, 2-2.5 mm; bracteoles lanceolate to linear. Female inflorescences solitary, 2-5 mm in diam., sessile; receptacle small; bracts broadly ovate; bracteoles spatulate-linear. Male flowers 4-merous. Achenes ellipsoid, 6-ribbed. Fl. Jun-Oct.

Mountain or valley forests, streamsides, dark damp rocks, valley precipices, on tree trunks; 800-3000 m. W Guizhou, SW Shaanxi, SW Sichuan, Xizang, Yunnan [Bhutan, India, N Myanmar, Nepal, Sikkim, Sri Lanka, Thailand].


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