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Acer longipes

Description from Flora of China

Acer cappadocicum Gleditsch var. tomentulosum (Rehder) A. E. Murray; A. laetum C. A. Meyer var. tomentulosum Rehder; A. longipes var. chengbuense W. P. Fang; A. longipes var. nanchuanense W. P. Fang; A. pashanicum W. P. Fang & T. P. Soong.

Trees to 10 m tall, andromonoecious. Bark purplish or purplish gray. Branchlets slender; lenticels rounded or ovate; winter buds small, scales 5-8 pairs. Leaves deciduous; petiole 5-9 cm, slender, glabrous; leaf blade abaxially pale green, adaxially dark green, (6-)8-13(-14) × 7-15 cm, papery, abaxially grayish soft pubescent especially on veins, adaxially glabrous, primary veins 3-5, base subcordate, usually 3-lobed, rarely 5-lobed or undivided; lobes triangular-ovate, 3-5 × 2-4 cm, apex acuminate or aristate. Inflorescence terminal on leafy branchlets, loosely corymbose, glabrous, numerous flowered; peduncles 1-1.5 cm. Sepals 5, elliptic-oblong, ca. 4 mm, apex obtuse. Petals 5, oblong-obovate, ca. as long as sepals. Stamens 8, glabrous; disk amphistaminal, lobed. Ovary glabrous; style short; stigmas revolute. Peduncles ca. 0.5 cm; pedicels ca. 1 cm. Samara yellowish brown; nutlets compressed, 10-13 × ca. 7 mm; wing including nutlet 2.2-4.5 × ca. 1 cm, wings spreading acutely or erectly. Fl. Apr, fr. Sep.

● Mixed forests, valleys; 300-1600 m. Chongqing, N Guangxi, S Henan, Hunan, W Hubei, Jiangxi, S Shaanxi.


 

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