Maple (scientific name:Acer miyabeiMaxim.) is a plant of Aceraceae and Acer.Bark grayish brown to orange brown, corky when young.(Reference source of overview drawing:[3]）
Deciduous broad-leaved tree, 20-25 meters high, upright and oval.The bark is gray brown to orange brown, corky when young, cracked when broken, scaly, and the trunk has grooves.Leaves opposite, single, 10-15 cm long, five lobed, lobes dented, rounded at the end, dark green above, olive green below, hairy axils;Yellow green veins are visible;The petiole is yellow, 15 cm long, and milky white latex is produced when the trunk is cut.The leaves of the flowers are small, yellow green, 10-12 cm long.Samara, nutlets pubescent, 2 cm long.[2]
(Picture reference source:[3]）
Maple
Habitat
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Originated in northern Japan (Hokkaido Island), it is found in river banks and forests and usually coexists with Acer pictum (van Geleren and van Geldeen, 1999).[2]
Protection status
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It is a wild endangered species.[2]
Congeneric species
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There are many world-famous ornamental trees in the genus Acer.The ornamental value of maple is mainly determined by leaf color and shape.Among the numerous red leaf trees in the world, the autumn leaves of maple are unique and attractive: the tree has beautiful posture and beautiful leaf shape, and the autumn leaves gradually change to red or yellow, as well as green and purple. It is a famous autumn leaf tree species, which can be used as shade trees, street trees or companion trees in landscape gardens. It can set off with other autumn leaf trees or evergreen trees to enhance the beauty of autumn scenery.Among the many maple trees, the representative ones with ornamental value are as follows:
Deciduous trees, up to 20 meters high.The bark is thin, and there is often milk in the twigs.Single leaf opposite, lobes 7~15cm in diameter, usually palmately 5-lobed, base often heart-shaped, lobes ovate triangular, entire, glabrous on both sides or only tufted in the lower vein axils.Floral heterozygosity,CorymbTerminal growth.The fruit is flat, with wings open into pure angles, and the wings are twice as long as the nuts.The flowering period is April to May, and the fruit period is September to October.Mainly produced in the Yangtze River basinsouthwest, North China and the south of northeast, west to Sichuan, Shaanxi is the most widely distributed.
fallen leavesSmall arborIt can reach 7-8 meters in height, with umbrella shaped or spherical crown and slender, purple or grayish purple twigs.The leaf is 6-10 cm in diameter and 5-7 cm in palmate shape. It is usually 7-parted and split. The lobes are oval oval to lanceolate. The leaf margin has fine and heavy serrations. Only the vein axils below have tufts of hair. The flowers are mixed and purplish red.The fruit is spherical, two fruit wings open at right angles to obtuse angles, purple red when young, and brown yellow when mature.Flowering in May, fruiting in September.Mainly distributed inEast China、Central Chinaall places.
Deciduous trees, up to 10 meters high.The crown is umbellate or oblong ovate.Leaves palmately 5-lobed, lobes entire, with acute angles between lobes.The leaf base is usually truncate.The fruit stone is flat, the two fruit wings spread at a right angle, and the wings are wider, equal to or slightly longer than the small onesnut。It is mainly produced in North China and the southern part of Northeast China. It is also distributed in Inner Mongolia, Shaanxi, Shandong, Jiangsu and Anhui.
Triangular maple
Also known as Yafeng, Jifeng
Triangular maple
Deciduous trees, up to 20 meters high, with thin bark flakes and oval crown.Leaf apex 3-lobed or undivided, entire or slightly sparsely serrate, palmate, up to 10 cm long, narrow base.The two sides of the fruit are convex, and the wings of the two fruits open into an acute angle, 2.5 cm long.yieldMiddle and lower reaches of the Yangtze RiverProvinces to South China, North China, South ChinasouthwestIt is cultivated everywhere.
Acer negundo
Also known as North China Tea Stick
Deciduous shrub orSmall arbor。Generally, the leaves are 3 (～ 5) pinnatifid, the middle lobe is prominent, the two sides are straight or not obvious, the crack margin is irregular, and the notched double serrated, feathery veins, and the base is three out.The two sides of the fruit are protruding, the fruit wing is twice as long as the fruit body, and it is upright to form an acute angle, and the inner edges are overlapped.It is produced in northeast and north China, subspecies of bitter tea, and in the middle and lower reaches of the Yangtze River basin.
Deciduous trees, up to 20 meters high.Branchlets green, glabrous.Odd pinnate compound leaf, leaflets 3~7 (9), ovate to long elliptic lanceolate, leaf margin with irregular notch, terminal leaflets often 3-lobed.Flowers are unisexual, male inflorescences are corymbose, and female inflorescences are racemose.Fruit wings are long and narrow, spreading at an acute angle or right angle.Flowering in April and fruiting in September.Native to North America, ChinaEast China, Northeast China and North China.
