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Chinese Plant Names | Family List | Aceraceae | Acer

Acer wilsonii Rehd.


Description from Flora of China

Acer angustilobum Hu; A. angustilobum f. longicaudatum W. P. Fang; A. angustilobum var. longicaudatum (W. P. Fang) W. P. Fang; A. angustilobum var. sichourense W. P. Fang & M. Y. Fang; A. campbellii J. D. Hooker & Thomson ex Hiern subsp. wilsonii (Rehder) P. C. de Jong; A. sichourense (W. P. Fang & M. Y. Fang) W. P. Fang; A. taipuense W. P. Fang; A. tutcheri Duthie subsp. angustilobum A. E. Murray; A. wilsonii subsp. burmense A. E. Murray; A. wilsonii var. longicaudatum (W. P. Fang) W. P. Fang; A. wilsonii var. obtusum W. P. Fang & Y. T. Wu.

Trees 10-15 m tall, andromonoecious. Bark dark brown, smooth. Branchlets slender, glabrous; winter buds small, scales 6, slightly villous outside. Leaves deciduous; petiole 2-3 cm; leaf blade ovate, 7-12 × 9-12 cm, membranous or subleathery, base usually rounded, rarely truncate or subcordate, usually 3-lobed, occasionally with 2 or more basal lobes; lobes ovate-oblong, triangular-ovate, or lanceolate, margin entire except occasionally with a few small appressed serrations apically, apex caudate-acuminate. Inflorescence paniculate, 5-6 cm, glabrous; peduncles 2-3 cm, slender. Sepals 5, glabrous. Petals 5, white. Stamens 8; filaments glabrous. Disk glabrous, extrastaminal. Ovary pilose; style nearly glabrous; stigmas short. Infructescence pendulous. Nutlets ovoid; wing including nutlet 2.5-3 cm; wings spreading horizontally. Fl. Apr, fr. Sep. 2n = 26.

Also see Eom, H. J., P. C. de Jong & C. S. Chang. 2011. A reappraisal of the Acer wilsonii complex and related species in China. Korean J. Pl. Taxon. 41: 329-337.

Forests; 900-2000 m. N Guangdong, N Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, S Shaanxi, E Sichuan, Xizang, Yunnan, Zhejiang [Myanmar, Thailand, Vietnam].


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