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

79. Acer tataricum Linnaeus, Sp. Pl. 2: 1054. 1753.

鞑靼槭 da da qi

Shrubs or trees, 3-5 m tall, rarely to 15 m tall, andromonoecious. Bark gray, rough; lenticels ovate or rounded. Branchlets slender, glabrescent; winter buds small, scales imbricate, 5-10 pairs, villous along margin. Leaves deciduous; petiole 1-5 cm; leaf blade abaxially light green, adaxially dark green, suborbicular, ovate, or elliptic-oblong, 1.2-10 × 1-6 cm, papery or subleathery, abaxially glabrous, glabrescent when mature, or white pilose, adaxially glabrous, base truncate, subcordate, or rounded, deeply or shallowly 3- or 5-lobed, rarely undivided; lobes marginally irregularly incised-serrate, crenate-serrulate, or duplicately serrate-dentate, middle lobe acute, acuminate, or long acuminate at apex, lateral lobes usually acute. Inflorescence corymbose, 2-6 cm, pubescent or glabrous, several flowered. Pedicel slightly villous. Sepals 5, ovate, 1.5-2 mm, villous along margin. Petals 5, white or greenish, oblong-ovate. Stamens 8; filaments glabrous. Disk glabrous, extrastaminal. Ovary densely or sparsely villous; style glabrous. Fruit yellowish green; nutlets ca. 8 × 5 mm, villous when young, strongly veined; wing including nutlet 2.5-3.5 cm × 8-10 mm, wings spreading erectly or acutely, glabrous or pubescent and glandular pubescent when young. Fl. May-Jun, fr. Sep-Oct. 2n = 26.

Sparse forests, deciduous forests of valleys and slopes; 100-2200 m. Anhui, Gansu, N Guangdong, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, W Xinjiang, Zhejiang [Afghanistan, Japan, Korea, Mongolia, Russia; SW Asia (Caucasus, Turkey), C and SE Europe (Austria, Hungary, Romania, Serbia, Ukraine)].

Three subspecies occur in China. Acer tataricum subsp. tataricum occurs in SW Asia (Caucasus, Turkey) and C and SE Europe (Austria, Hungary, Romania, Serbia, Ukraine).

1 Leaf blade subleathery, 1.2-2.5(-5) × 1-3.2 cm, 3- or 5-lobed, crenate or doubly serrate; samara wing pubescent and glandular when young.   79c subsp. semenovii
+ Leaf blade papery, 6-10 × 4-6 cm, deeply 3- or 5-lobed (or unlobed), serrate; samara wing glabrous   (2)
2 (1) Leaf blade elliptic-oblong, 3- or 5-lobed, abaxially glabrous.   79a subsp. ginnala
+ Leaf blade ovate or oblong-ovate, unlobed or slightly 3- or 5-lobed, abaxially white pilose.   79b subsp. theiferum

Lower Taxa


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