Amur maple tree11/26/2023 ![]() It will displace native shrubs and understory trees in open woods and shade out other sun-loving native species. It can alter habitats, invading prairies, grasslands, or open woodlands and adding a shrub layer. Various cultivars of Amur maple are produced and sold in Minnesota, planted for their fall color and ability to thrive in a variety of soils, including disturbed urban soils.Īmur maple is reported as present in 42 counties in Minnesota, especially in the northeastern part of the state.Īmur maple has been found to produce allelopathic chemicals. The seeds are winged samaras, mostly landing within 100 meters of the parent tree, but a small portion can be carried long distances by wind and water. Means of spread and distributionĮach tree can produce 5,000 or more fruits per year. It will tolerate shade, and is often planted as a small understory tree. It grows in a wide range of soil types and moisture levels. Davis Sydnor, TheĪmur maple is found in open woodlands, forest edges, open disturbed areas, roadsides, and in ornamental landscapes. Rawlins, Universityįall color, photo by T. Bark is smooth and gray on young branches and grayish-brown on older branches.īark, photo by Karan A.Fruits are red, ¾ - 1 inch long, double-winged samaras typical of maple trees.Bloom time is April and May when new foliage appears. Flowers are fragrant, white, and arranged in loose clusters.The leaves are opposite, 3-lobed with toothed margins, and are longer than they are wide.May grow in either a multi-stemmed or single-trunk form. Amur maple is a deciduous large shrub or small tree that grows to 20 feet, with brilliant red fall color.It has been widely sold and planted in Minnesota as an ornamental landscape tree, as a windbreak, and in hedges or screen plantings. In the U.S., it is present and invasive throughout the Northeast and Midwest states. It was introduced to North America in the 1860s. BackgroundĪmur maple a native of central and northern China, Manchuria and Japan. Amur maple should not be planted closer than 100 yards from natural areas.” View the Minnesota Noxious Weed Law for more information. ginnalaĪny person, corporation, business or other retail entity distributing Amur maple or its cultivars for sale within the state, must have information directly affixed to the plant or container packaging that it is being sold with, stating the following: “Amur maple should only be planted in areas where the seedlings will be controlled or eradicated by mowing or other means. It is usually grown from seed, and color variations may accordingly occur.Scientific Name: Acer ginnala Maxim., syn. 'Flame' turns a brilliant, fiery red in autumn. Specific epithet is in reference to certain areas of Siberia and Mongolia (Tatary) that were invaded and occupied in the Middle Ages by the Tatars. Genus name is the Latin name for a maple tree. Fragrant, greenish-yellow flowers are followed by red-winged samaras (to 1" long). In comparison to the species, its leaves are (a) more lustrous, (b) distinctively three-lobed with a long central lobe and (c) better red (although variable) fall color. It also matures over time to 15-20' tall as a large shrub or small tree. ![]() It is native to China, Mongolia, Manchuria, Siberia (along the Amur River Valley), Korea and Japan. ginnala (formerly Acer ginnala), is commonly called Amur maple. ginnala and its cultivars are more often found in cultivation than A. Flowers are followed by winged samaras (to 1” long) that turn a showy red in summer/fall as they mature. Greenish-white flowers in erect, long-peduncled panicles bloom in spring. Unlobed, broad-ovate, medium green leaves (to 4” long) with irregular doubly serrate margins are found on mature trees. It is native to forested areas from western Asia to southeastern Europe. Acer tataricum, commonly called Tatarian maple, typically grows as a small, upright spreading tree with a dense, rounded crown or as a large multi-stemmed shrub.
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