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FOC | Family List | FOC Vol. 19 | Rubiaceae | Lasianthus

10. Lasianthus chunii H. S. Lo, Bot. J. S. China. 2: 10. 1993.

焕镛粗叶木 huan yong cu ye mu

Shrubs, 1-3 m tall; branchlets dark brown, densely hirsute or strigose. Petiole 0.5-1 cm, densely hirsute to strigillose; leaf blade subleathery or thickly papery, lanceolate or oblong-lanceolate, 8-15 × 2-5.5 cm, glabrous adaxially, hirsute or strigillose on midrib, nerves, and nervules abaxially, base cuneate or obtuse to rounded, apex acuminate; lateral veins 7 or 8 pairs; nervules subparallel; veins and nervules conspicuously elevated abaxially; stipules 1-1.5 mm, densely hirsute to strigillose, apparently caducous. Inflorescence congested-cymose, shortly pedunculate, 2-4-flowered, densely strigillose; peduncle 1-2 mm; bracts narrowly triangular, 1-2 mm. Flowers subsessile to pedicellate; pedicels to 1 mm. Calyx strigillose; hypanthium portion campanulate, 1-1.5 mm; limb ca. 2 mm; lobes 6, subtriangular, ca. 1 mm. Corolla ca. 1 cm, hirsute or strigillose outside, villous in upper half inside; lobes 6, lanceolate. Fruit depressed globose, ca. 5 mm in diam., hirsute or strigillose, with 5 or 6 longitudinal elevated angles or ridges; pyrenes 5 or 6. Fl. Apr, fr. Jun-Jul, Sep.

● Forests, shaded and wet places. SE Fujian, Guangdong, SE Guangxi, S Jiangxi.


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