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

10. Elatostema angulosum W. T. Wang, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 7: 27. 1980.

翅棱楼梯草 chi leng lou ti cao

Herbs perennial, dioecious, 15-20 cm tall. Stems ascending, simple, winged or sharply, longitudinally angled, glabrous. Leaves alternate; nanophylls absent; stipules narrowly linear, ca. 3.5 mm, glabrous; petiole 0-1 mm; leaf blade obliquely elliptic or oblong, 4-8 × 1.5-2.5 cm, herbaceous or papery, major basal lateral veins absent and venation pinnate, abaxial surface glabrous, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half nearly cordate, margin dentate, apex acuminate. Male inflorescences usually in pairs, branched, 5-20 mm in diam.; peduncle 20-50 mm; receptacle absent; bracts alternate, lanceolate-linear, 4-5 mm. Female inflorescences solitary, ca. 4 mm in diam., sessile; receptacle ca. 1.5 mm in diam.; bracts triangular; bracteoles oblong. Male flowers 5-merous. Fl. Jan-Mar.

* Valleys; 900-1400 m. Sichuan (Emei Shan).


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