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

37. Elatostema longibracteatum W. T. Wang, Bull. Bot. Res., Harbin. 2(1): 6. 1982.

长苞楼梯草 chang bao lou ti cao

Herbs perennial, monoecious, 20-26 cm tall. Stems ascending or erect, simple, rarely branched at base, pubescent. Leaves alternate; nanophylls absent; stipules linear, ca. 3 × 0.8 mm, glabrous; without cystoliths, petiole absent; leaf blade obliquely lanceolate, 1.2-5 × 0.9-1.5 cm, herbaceous, 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 auriculate, margin crenate-denticulate, apex caudate-acuminate. Male inflorescences solitary, simple, 9-12 × 4-6 mm, sessile; receptacle obscure; bracts connate, 9-12 mm; bracteoles narrowly triangular or linear-triangular. Female inflorescences solitary, 30-flowered or more, 2-4 mm in diam., sessile; receptacle ca. 2 mm in diam.; bracts triangular; bracteoles linear or cymbiform. Male flowers 5-merous. Fl. Feb.

* Mountain forests; 1200-1300 m. SE Yunnan.


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