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

1. Oreocnide rubescens (Blume) Miquel, Ann. Mus. Bot. Lugduno-Batavi. 4(2): 306. 1869.

红紫麻 hong zi ma

Urtica rubescens Blume, Bijdr. Fl. Ned. Ind. 506. 1826; U. sylvatica Blume; Villebrunea integrifolia Gaudichaud-Beaupré var. sylvatica J. D. Hooker; V. rubescens (Blume) Blume; V. sylvatica (Blume) Blume.

Small trees or shrubs 2-12 m tall; bark grayish brown or gray; branchlets brown or purplish, hirsute. Stipules linear-lanceolate, 0.6-1.3 cm; petiole 1-5 cm, sparsely hirsute; leaf blade oblong or oblanceolate, 7-25 × 3-8 cm, papery, pinnately veined, secondary veins 6-9 pairs, abaxial surface sparsely hirsute on veins, adaxial surface glabrous, base rounded or broadly cuneate, margin denticulate or serrulate from basal 1/3, apex acuminate or caudate-acuminate. Inflorescences in axils of fallen leaves or on older branches, pedunculate, branched dichotomously 2 or 3 times, 1-2 cm; glomerules 3-4 mm in diam. Male flowers: perianth lobes 4, oblong, connate 1/2 of length, ca. 1 mm; rudimentary ovary subclavate. Female flowers ca. 1 mm. Achene conic, ca. 1.2 mm, surrounded by a fleshy discoid cupule at base. Fl. Mar-May, fr. Jul-Dec.

Mixed forests, forest margins in valleys; 400-1600 m. W Guangxi, Hainan, S Yunnan [S India, Indonesia, Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam].


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