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

19. Lasianthus inodorus Blume, Bijdr. 998. 1826.

革叶粗叶木 ge ye cu ye mu

Lasianthus poilanei Pitard; L. tubiferus J. D. Hooker.

Shrubs, 2-3 m tall; branches and branchlets glabrous or thinly puberulent. Petiole 6-10 mm, glabrous or sparsely puberulent; leaf blade leathery, elliptic to elliptic-lanceolate, 10-20 × 2.5-6 cm, glabrous adaxially, glabrous or sparsely puberulent abaxially, base acuminate, apex acuminate; lateral veins 6 or 7 pairs; nervules parallel; nerves and nervules conspicuous abaxially; stipules persistent, triangular or ovate-lanceolate, 3-5 mm, glabrous, leathery. Inflorescences sessile, glomerulate; bracts persistent, orbicular or ovate-orbicular, 3-6 mm, thickly leathery, glabrous or pubescent. Flowers sessile. Calyx puberulent; hypanthium portion ca. 1 mm; limb 5-lobed; lobes ovate-lanceolate. Corolla ca. 10 mm, puberulent outside, villous inside. Fruit red, ovoid, ca. 10 mm, glabrous; pyrenes 5.

Montane forests, shaded and wet places; 1000-1800 m. S Yunnan [E Bangladesh, Cambodia, NE India, Indonesia (Java, Sumatra), Thailand, Vietnam].


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