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Acer cordatum

Description from Flora of China

Trees to 10 m tall, andromonoecious. Bark gray, smooth. Branchlets slender, glabrous. Leaves persistent; petiole 1-3.5 cm, slender, glabrous; leaf blade ovate or ovate-oblong, 3.5-9 × 1.5-4.5 cm, papery, abaxially glabrous and slightly reticulate, adaxially glabrous, veins slightly prominent, lateral veins 4 or 5 pairs, base subcordate, undivided or rarely 2- or 3-lobed, margin nearly entire, remotely serrate, or serrate, apex shortly acuminate or obtuse. Inflorescence terminal on leafy branchlets, corymbose, 3-5-flowered. Pedicel 1-2 cm, slender, glabrous. Sepals 5. Petals 5, yellowish green. Stamens 8, glabrous. Disk glabrous. Ovary glabrous. Samaras brownish yellow when mature; nutlets convex, ca. 4 × 3 mm, glabrous; wing including nutlet 1.4-2(-3.5) × ca. 1 cm, wings spreading variously. Fl. Apr, fr. Sep.

● Forests, valleys; 200-1200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang.


 

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