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FOC | Family List | FOC Vol. 13 | Melastomataceae | Memecylon

7. Memecylon octocostatum Merrill & Chun, Sunyatsenia. 2: 294. 1935.

棱果谷木 leng guo gu mu

Shrubs 1-3 m tall, many-branched. Branches 4-sided, narrowly winged, later almost unwinged; bark canescent brown. Petiole 1-2 mm; leaf blade elliptic to broadly elliptic, 1.5-3.5 × 0.7-1.8 cm, stiffly papery to subleathery, both surfaces glabrous, abaxially pale brown, adaxially dark brownish green and glossy when dry, base broadly cuneate, margin entire, apex obtuse to acute. Inflorescences axillary, cymose, 6-8 mm, few-flowered, glabrous; peduncle 2-4 mm; bracts subulate, ca. 1 mm. Pedicel 1-2 mm, glabrous. Hypanthium cup-shaped, 2-2.8 mm, 4-sided, glabrous. Calyx lobes triangular to ovate-triangular, ca. 0.8 mm. Petals lavender, ovate, ca. 3 × 1.5 mm, margin basally irregularly denticulate, apex acuminate. Stamens 2.5-3 mm; filament ca. 2.5 mm; anthers ovate, small; connective conic, ca. 1.2 mm, inflated, with a small concave abaxial gland. Fruit a baccate drupe, subglobose, ca. 7 mm in diam., with 8 conspicuously raised ribs, apex with a ring. Fl. May-Jun or Nov, fr. Nov-Jan.

● Sparse to dense forests, hillsides, valleys, damp places. Guangdong, Hainan.


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