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

93. Elatostema didymocephalum W. T. Wang, Acta Phytotax. Sin. 28: 316. 1990.

双头楼梯草 shuang tou lou ti cao

Herbs perennial, dioecious, 40-50 cm tall. Stems ascending or erect, simple, glabrous. Leaves alternate; nanophylls absent; stipules linear, 18-20 × 2.5-2.8 mm, glabrous, with cystoliths; petiole 0-1 mm; leaf blade obliquely elliptic, 9-17 × 4-8 cm, papery, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface sparsely puberulent along veins, adaxial surface glabrous, cystoliths conspicuous, dense; base with broader half rounded, margin dentate, apex caudate-acuminate. Male inflorescences solitary, simple, 3-16 mm in diam.; peduncle 2-4.5 mm; receptacle 12-14 mm in diam.; bracts connate, 6-8 mm; bracteoles cymbiform. Male flowers 5-merous. Fl. May-Jun.

* Ficus forests in valleys, dark damp places; 900-1000 m. SE Xizang.


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