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

5. Oreocnide serrulata C. J. Chen, Acta Phytotax. Sin. 21: 474. 1983.

细齿紫麻 xi chi zi ma

Shrubs 3-5 m tall; branchlets and petioles gray-brown, rusty villous. Stipules lanceolate, ca. 1 cm; petiole 1-7 cm; leaf blade abaxially light green or brown, adaxially dark green, becoming dark brown when dry, lanceolate, narrowly ovate, or oblong-lanceolate, 6-23 × 2.5-8 cm, papery, 3-veined, basal-lateral pair reaching apex, anastomosing with proximal pair of secondary veins, secondary veins 5-7 pairs, proximal pair arising from basal 1/4-1/3, abaxial surface rusty velutinous, veins raised, adaxial surface rugose, subglabrous, base rounded, margin finely serrulate, apex long-acuminate or caudate-acuminate. Inflorescences in axils of current and older branches, dichotomously branched 2 or 3 times, 1-2 cm; glomerules 3-4 mm in diam. Male flowers pedicellate, perianth lobes (2 or)3, ca. 0.7 mm; rudimentary ovary clavate. Female flowers ca. 1 mm. Achene ovoid, almost not compressed, ca. 1.5 mm, smooth, almost completely surrounded by a thickly fleshy cupule. Fl. Feb-May, fr. Jun-Nov.

Forests on limestone, thickets; 900-1800 m. SW Guangxi, SE Yunnan [N Vietnam].


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