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10. Acer sect. Hyptiocarpa W. P. Fang, Acta Phytotax. Sin. 11: 172. 1966.
扁果枫组 bian guo feng zu
Trees evergreen. Leaves undivided, leathery, abaxially blue or snow white, margins entire. Bud scales 7-11-paired. Inflorescences axillary from leafless buds, cymose-paniculate. Flowers unisexual, androdioecious, sometimes andromonoecious, 5-merous. Stamens 4-12. Disk amphistaminal or extrastaminal.
Two species: Cambodia, China, NE India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam; two species in China.
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Leaf blade trinerved, lateral veins 5 or 6 pairs, abaxially ± pubescent; wing including nutlet 4-7 cm, pubescent or nearly glabrous; fruit peduncle stout. |
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82 A. laurinum |
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Leaf blade pinnatinerved, lateral veins 8-12 pairs, abaxially glabrous; wing including nutlet 2-4 cm, glabrous; fruit peduncle very slender. |
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83 A. pinnatinervium |
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Lower Taxa
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