Edward F. Gilman and Dennis G. Watson 2. Slippery elm (Ulmus rubra Muhl.) Ulmus rubra: leaf blade with usually 2 or more lateral veins forking well before reaching margin and wing of fruit lacking marginal cilia and hairy over the body of seed (vs. U. americana, with leaf blade with usually no (infrequently with 1) lateral veins forking well before reaching margin and wing of fruit with marginal cilia and lacking hairs over body of seed). Introduction. Published on the internet. The Princeton elm exhibits good resistance to Dutch elm disease (DED) and demonstrates resistance to elm beetles as well. International Plant Names Index. Cloudflare Ray ID: 60541654be0a16ea Scientific name: Ulmus americana Pronunciation: UL-mus uh-mair-ih-KAY-nuh Common name(s): American elm Family: Ulmaceae USDA hardiness zones: 2A through 9B (Figure 2) Origin: native to the eastern half of the United States, in addition to adjacent Canadian provinces UF/IFAS Invasive Assessment Status: native Uses: reclamation; urban tolerant; specimen 2020. The Board of Trustees of the Royal Botanic Gardens, Kew. June 13, 2002. May be used as a lawn, shade or street tree. Other Common/Trade Names: None Scientific Name: Ulmus americana Best Characteristics for Identification: Ulmiform arrangement. A.K.A. Dutch elm disease, a fatal fungal disease spread by airborne bark beetles, attacks the water-conducting tissue of the tree, resulting in wilting, defoliation and death. Peterson. Dead elm trunk of American Elm (Ulmus americana) 85 cm in diameter. Slippery Elm is a fairly common medium-large tree, named for its mucilaginous inner bark. United States, DC, Washington, USDA ARS National Arboretum. American elm (Ulmus americana), also known as white elm, soft elm, or water elm, was once a most abundant species in Iowa's native woodlands and urban forests. • The bark is ashy gray with flat-topped ridges separated by diamond-shaped fissures. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown.It is native to eastern and central North America. The Tree is a deciduous tree, it will be up to 45 m (148 ft) high. Accessed 16 May 2020. Ulmus americana var. Although once widely planted as a street and lawn tree, American elm populations have been so decimated by Dutch elm disease that this tree is no longer considered to be a viable selection for landscape uses. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Wisconsin River, southwestern Wisconsin, USA. japonica 'Emerald Sunshine' 20-35 ft. and insect pests resistant Ulmus glabra 70-100 ft. Ulmus glabra 'Horizontalis' 15-20 ft. and weeping; Ulmus 'Homestead' 40-60 ft. and Dutch elm disease resistant Ulmus minor 70-90 ft. Ulmus parvifolia 40-60 ft. Ulmus pumila USDA NRCS National Plant Data Center (NPDC). 7/16/2019. Your IP: 95.217.113.228 Uses: Limited use due to the lack of large trees due to Dutch elm disease. Blooming in the fall, restricted range in south central U.S.: Ulmus serotina (September elm) Prefers rich, moist loams. Insignificant small green flowers appear in spring before the foliage emerges. • Smaller teeth appear along the lower side of the larger teeth. Leaves are alternate, simple, 4–6 inches long, 2–3 inches wide, broadest at or below the middle with coarse, sawtooth edges. water elm, white elm. American Elm is a deciduous tree that may grow 80 to 100 feet tall. Ulmus americana in Kew Science Plants of the World online. The foliage of leathery, dark green leaves, 3-6 in. The Plants Database includes the following 14 species of Ulmus . Ulmus americana. Leaves like sandpaper above, cross-section of bark more uniformly brown, twigs scabrous: Ulmus rubra (slippery elm) 3. Flowers give way to single-seeded wafer-like samaras (each tiny seed is surrounded by a flattened oval-rounded papery wing). American elm (Ulmus americana) Click on the images to help you identify an American elm. Generally tolerant of urban conditions. native to eastern North America; deciduous; reaching 55-85′ (before dutch elm disease commonly reached well over 100′ in height) Please enable Cookies and reload the page. American elm is a vase-shaped, medium to large, deciduous tree that typically grows to 60-80’ tall with a broad-rounded crown. Raymond Guries: Identity Top of page Preferred Scientific Name. The trunk is long and undivided in forested areas, but it is shorter in open areas before dividing into major branches. The tree likes sun at the location and the soil should be alluvial soils. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Ulmus alata 40-60 ft. Ulmus americana 80-100 ft. Ulmus davidiana var. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Single row of large earlywood pores. Sadly, the American elm (Ulmus americana) can no longer be recommended because it is vulnerable to a devastating pathogen called Dutch elm disease. American elm Elms are loved for their graceful, stately shape, with branches like spreading fountains, and their green leaves that turn gold in fall. Not currently recommended for most landscape plantings due to Dutch elm disease. Description : American elm is a small to medium-sized (to very large) tree, at maturity with spreading branches forming a broad-spreading, fan-shaped crown. Various wilts, rots, cankers and leaf spots may also occur. ... and their identification defies the usual distinguishing features of hard vs soft elms. Leaves typically turn an undistinguished yellow in fall.Genus name comes from the Latin name.Specific epithet means of North or South America. The leaves are alternate with a doubly toothed margin and unequal base. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Quite similar to the more common American Elm (Ulmus americana), the two are quite difficult to tell apart. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. American Elm (Ulmus americana) Common Name(s): American Elm, Soft Elm, Water Elm. Native Introduced Native and Introduced. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Even though Dutch elm disease has killed most of the large elm in Iowa, American elm is still a component of woodlands in the state. is similar to American elm. It is native to eastern and central North America. This native North American tree grows quickly when young, forming a broad or upright, vase-shaped silhouette, 60 to 80 feet high and wide. Seeds mature in April-May as the leaves reach full size. long (7-15 cm), turns butter-yellow to rich yellow in the fall. It is native to eastern and central North America. In nature, it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. Click on images of American Elm to enlarge. Boulder Tree Care. The leaf margins are doubly toothed (each large tooth often has a smaller tooth upon it). Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Virginia Tech Dendrology is THE source for tree identification. You may need to download version 2.0 now from the Chrome Web Store. Scientific Name: Ulmus americana. Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. Someday I hope to add Chinese and Siberian elm to the site, and also update the page on elm identification. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Grow in average, medium moisture, well-drained soils in full sun. Phloem necrosis is a disease caused by a phytoplasma that attacks the food-conducting tissue of the tree, usually resulting in a loosening of the bark, wilting, defoliation and death. Tolerant of light shade. SPECIES: Ulmus americana GENERAL BOTANICAL CHARACTERISTICS : American elm is a deciduous, fast-growing, long-lived tree which may reach 175 to 200 years old with some as old as 300 years [ … Published online. Ulmus americanais a tree with alternate, simple leaves. Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. The two sides of the leaf base are often asymmetrical. Ulmus americana Elm family (Ulmaceae) Description: At maturity, this tree is 60-100' tall, forming a trunk 2-4' across and an arching crown with drooping branchlets. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. General Natural Range: Extends from eastern Saskatchewan to the Canadian Maritimes south to Texas and central Florida. Another way to prevent getting this page in the future is to use Privacy Pass. Vernacular names This large, fast-growing tree is tolerant of many adverse site conditions. The tree has had major problems with Dutch elm disease and is now out of favor when considered for urban tree planting.The vase-shaped form and gradually arching limbs make it a favorite to plant on city streets. Inconspicuous yellow-green catkins appear in spring before the leaves emerge. Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scale.Development of varieties that are resistant to Dutch elm disease is ongoing. Florida elms have a vase-shaped growth with foliage made up of ovate leaves that have typically serrated margins. floridana) The Florida elm is a fast-growing tree that is smaller than the American elm. By: Dan Petters. Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. Noteworthy Characteristics. ©J.S. The leaves are oblong and the flowers are brownish-purple. The American Elm is botanically called Ulmus americana. Ulmus americana … Form. Disease resistant varieties such as Ulmus americana ‘Valley Forge’ are promising but not totally immune. These include the following: 'Jefferson', 'New Harmony', Prairie Expedition®, 'Princeton' , and 'Valley Forge'. Leaves can be variable Identifying an Ulmus Americana tree by images of bark. 0. Large, height usually 50' to 70' with a diameter of 24" to 48", although it can reach a height of 100' with a diameter of up to 48"; wide-spreading branches that droop at the ends; the crown is vase-shaped. Accessed: 2020 May 16. Adapts to both wet and dry sites. The bark … American elm is the most popular of urban shade trees.This tree was planted along downtown city streets for decades. Ulmus americana L. Preferred Common Name. Prairie Expedition American Elm, a cultivar of our native Ulmus americana, is a clonal propagation of a lone survivor found among many other American elms that died from Dutch Elm Disease.Like other American elms, its mature height is around 60' with a spread of 35-40', and it has the classic cathedral/umbrella form that makes them so desirable. Blooming in the spring, nearly indistinguishable from U. serotina without knowing blooming time: Ulmus americana (American elm) 3. Reply. Florida Elm Tree (Ulmus americana var. Usage Requirements. Wetwood is a bacterial disease that results in wilting and dieback. Botanical name: Ulmus americana Family: Ulmaceae. There is no difference in the mucilage of the twigs or leaves, as far as I can tell. Click below on a thumbnail map or name for species profiles. American elm Ulmaceae Ulmus americana L. symbol: ULAM Leaf: Alternate, simple, ovate to oblong, 3 to 5 inches long, 1 to 3 inches wide, margin coarsely and sharply doubly serrate, base conspicuously inequilateral, upper surface green and glabrous or slightly scabrous, paler and downy beneath. American elm bark identification. It is native to eastern and central North America. American elm; Other Scientific Names. Reference page. Handsome and graceful, Ulmus americana (American Elm) is a medium to large deciduous tree of upright-spreading habit, forming a very broad, flat-topped or vaselike crown. 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