Acer barbinerve Maxim.

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Article from Bean's Trees and Shrubs Hardy in the British Isles


Other species in genus


With only male or only hermaphrodite flowers on individual plants.
Small nut. Term may also be applied to an achene or part of a schizocarp.
Egg-shaped; broadest towards the stem.
Unbranched inflorescence with flowers produced laterally usually with a pedicel. racemose In form of raceme.
Having only male or female organs in a flower.


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Article from Bean's Trees and Shrubs Hardy in the British Isles

A small, deciduous, dioecious tree, sometimes a shrub; young shoots downy. Leaves five-lobed, roundish to ovate in main outline, slightly heart-shaped at the base, slender-pointed, sharply, coarsely and unevenly toothed, the niche between the lobes very narrow; 2 to 312 in. long, almost or quite as wide; dark green and slightly downy when young above, softly downy beneath with conspicuous tufts in the vein-axils; stalk slender, often as long as the blade. Flowers yellowish, produced in April; those of the male tree in short clusters of four to six; those of the female tree on a raceme 2 in. long terminating a twin-leafed twig. Wings of the fruit 38 to 12 in. diameter spreading at an angle of about 120°, and, with the nutlet, making the whole fruit 114 to 112 in. wide.

Native of S.E. Manchuria; introduced about 1890. It is akin to A. argutum, another unisexual maple, from which its more coarsely toothed leaves, its petals being narrowed to a stalk at the base, and its larger fruits distinguish it.


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