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

11. Lasianthus curtisii King & Gamble, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73: 128. 1904.

广东粗叶木 guang dong cu ye mu

Lasianthus condorensis Pierre ex Pitard; L. formosensis Matsumura var. hirsutus Matsumura; L. kwangtungensis Merrill.

Shrubs, 1-2 m tall; branches and branchlets densely spreading villous. Petiole 4-8 mm, densely villous; leaf blade papery or subleathery, ovate-lanceolate or elliptic-lanceolate, 5-9 × 2-3 cm, glabrous adaxially, densely soft villous abaxially, base cuneate or obtuse, apex cuspidate-acuminate; lateral veins 4-6 pairs; nervules subparallel; stipules generally persistent, narrowly triangular, 1-1.5 mm, densely strigose. Inflorescences glomerulate to subcapitate, sessile; bracts absent. Flowers sessile to subsessile. Calyx densely villous to hirsute; hypanthium portion obconic, 1-1.5 mm; limb divided nearly to base; lobes 5, lanceolate to narrowly triangular, 2-5 mm, acuminate. Corolla 7-8 mm, outside hispid, inside villous; lobes 5. Fruit ovoid-globose, 4-5 mm in diam., hirsute to villous; pyrenes 5. Fl. Aug-Sep, fr. Jun-Dec.

Forests, shaded and wet places; 300-900 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan [Indonesia (Sumatra), Japan (Kyushu, Ryukyu Islands), Malaysia, Thailand, Vietnam].


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