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

28. Acer campbellii J. D. Hooker & Thomson ex Hiern in J. D. Hooker, Fl. Brit. India. 1: 696. 1875.

藏南枫 zang nan feng

Trees to 15 m tall, andromonoecious. Branchlets purplish green, glabrous, with elliptic or oblong lenticels; winter buds ovoid, scales yellowish pubescent outside. Leaves deciduous; petiole pale green or purplish green, 4-5 cm, glabrous; leaf blade (7-)8-15 × 9-22 cm, membranous, abaxially pubescent on veins when young or nearly glabrous, glabrous when mature except for tufts of barbed hairs at vein axils, adaxially glabrous, primary veins 7, secondary veins 18 or 19 pairs, base cordate, rounded, cuneate, or truncate, (5 or)7(or 9)-lobed, sinuses to 1/2 width of blade; lobes lanceolate or ovate-oblong, 1-1.5 cm, margin remotely or doubly serrulate, apex acuminate. Inflorescence terminal, paniculate, 4-6 cm, glabrous. Sepals 5, ovate. Petals 5, yellow-green. Stamens 8, glabrous. Disk pubescent, extrastaminal. Ovary densely white pilose. Fruit yellowish when mature; nutlets convex, ca. 5 mm in diam.; wing falcate, including nutlet 2.3-2.8 cm × ca. 8 mm, wings spreading nearly horizontally. Fl. May, fr. Sep. 2n = 26.

Mixed forests; 1800-3700 m. S Sichuan, S Xizang, NW Yunnan [Bhutan, N India, Myanmar, Nepal, Vietnam].

1 Leaf blade abaxially nearly glabrous, base truncate, margin serrulate; inflorescence dense.   28a var. campbellii
+ Leaf blade abaxially pubescent on veins, base cordate, margin often doubly serrate; inflorescence elongated.   28b var. serratifolium

Lower Taxa


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