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

23. Lasianthus lucidus Blume, Bijdr. 997. 1826.

无苞粗叶木 wu bao cu ye mu

Shrubs, 1-1.5 m tall; branches and branchlets glabrous or sparsely strigose on very young parts. Petiole 2.5-8 mm, strigillose or usually strigose; leaf blade membranous or subleathery, ovate, elliptic, or ovate-elliptic, 4-9 × 1.5-3 cm, glabrous adaxially, sparsely strigose or hirsute on nerves and nervules abaxially, base cuneate to obtuse, apex acuminate or cuspidate-acuminate; lateral veins 3-6 pairs, elevated abaxially; nervules parallel, conspicuous abaxially; stipules generally persistent, triangular, 1-1.5 mm, strigose. Inflorescences glomerulate to subcapitate, sessile; bracts absent. Flowers sessile or subsessile. Calyx with hypanthium portion obconic to widely campanulate, 1-1.5 mm, glabrescent; limb deeply lobed; lobes 5, narrowly triangular, 2-3 mm, usually somewhat unequal on an individual flower, strigose. Corolla 8-12 mm, glabrous or strigillose outside, villous at throat and on lobes inside; lobes 5, triangular, 2-2.5 mm. Fruit globose or ovoid, 4-5 mm in diam., glabrous; pyrenes 5.

Montane forests, shaded and wet places; 900-2400 m. Hainan, Yunnan [Bangladesh, NE India, Indonesia, Myanmar, Philippines, Thailand, Vietnam].

1 Leaves elliptic, with lateral veins 5 or 6 pairs.   23a var. inconspicuus
+ Leaves ovate or ovate-elliptic, with lateral veins 3 or 4 pairs.   23b var. lucidus

Lower Taxa


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