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

64. Acer caudatifolium Hayata, J. Coll. Sci. Imp. Univ. Tokyo. 30(1): 65. 1911.

尖尾枫 jian wei feng

Acer kawakamii Koidzumi; A. kawakamii var. taiton-montanum (Hayata) Li; A. pectinatum Wallich ex G. Nicholson subsp. formosanum A. E. Murray; A. taiton-montanum Hayata.

Trees to 20 m tall, andromonoecious. Branchlets slender, glabrous; winter buds ellipsoid; scales glabrous. Leaves deciduous; petiole 3-4 cm, glabrous; leaf blade abaxially pale green, adaxially dark green, ovate or ovate-oblong, (5-)6-10(-11) × 3-4.5 cm, papery, adaxially glabrous, 5-veined at base, base rounded, margin densely serrulate with sharp appressed teeth, apex caudate-acuminate. Inflorescence racemose-umbellate, ca. 15-flowered. Pedicel 6-7 mm. Sepals 5, purple, oblong, 2-2.5 mm, apex obtuse. Petals 5, white. Stamens 8, shorter than sepals. Disk glabrous, slightly lobed, intrastaminal. Ovary purple, glabrous; style very short; stigmas revolute. Fruit yellowish brown; nutlets convex, ca. 5 mm in diam.; wings introrsely sulcate, 2-2.2 × ca. 1.2 cm, wings spreading obtusely. Fl. Mar, fr. Jul-Aug.

● Mixed forests; 200-2100 m. Taiwan.


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