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FOC | Family List | FOC Vol. 11 | Aceraceae | Acer

41. Acer sino-oblongum F. P. Metcalf, Lingnan Sci. J. 11: 202. 1932.

滨海枫 bin hai feng

Trees evergreen, to 7 m tall, andromonoecious. Bark brownish gray, rough. Branchlets glabrous, those of present year purple or purplish green, those more than 1 year old brownish purple or grayish purple, lenticels ovate or rounded; winter buds brownish, ovoid, scales slightly ciliate. Petiole 1-3 cm, glabrous; leaf blade abaxially yellowish green and whitish glaucous, adaxially green or pale green, elliptic or elliptic-oblong, 6-9 × 2-4 cm, leathery, veins weak, lateral veins 5-7 pairs, slightly raised below, base broadly cuneate or rounded, margin entire, apex acuminate or caudate-acuminate, adaxially glabrous. Inflorescence terminal, corymbose; peduncle ca. 1 cm. Flowers greenish yellow. Sepals 5, obovate-oblong, ca. 4 mm. Petals 5, oblanceolate, ca. 4 mm. Stamens 8. Disk extrastaminal. Ovary glabrous. Pedicels 5-10 mm, villous. Nutlets strongly convex, ca. 8 × 5 mm; wing including nutlet ca. 3 cm × 10-12 mm, wings spreading at acute angle. Fl. Apr, fr. Sep.

● Evergreen forests, near sea shores. Guangdong.


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