The trunk is long and undivided in forested areas, but it is shorter in open areas before dividing into major branches. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Ulmus americana. It is native to eastern and central North America. Single row of large earlywood pores. 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. The Plants Database includes the following 14 species of Ulmus . 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 The bark is ashy gray with flat-topped ridges separated by diamond-shaped fissures. 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 website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. There is no difference in the mucilage of the twigs or leaves, as far as I can tell. The leaves are oblong and the flowers are brownish-purple. 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. Another way to prevent getting this page in the future is to use Privacy Pass. Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scale.Development of varieties that are resistant to Dutch elm disease is ongoing. Prefers rich, moist loams. 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. Raymond Guries: Identity Top of page Preferred Scientific Name. 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. Grow in average, medium moisture, well-drained soils in full sun. The Princeton elm exhibits good resistance to Dutch elm disease (DED) and demonstrates resistance to elm beetles as well. Accessed: 2020 May 16. American elm Elms are loved for their graceful, stately shape, with branches like spreading fountains, and their green leaves that turn gold in fall. American elm is a vase-shaped, medium to large, deciduous tree that typically grows to 60-80’ tall with a broad-rounded crown. American elm; Other Scientific Names. United States, DC, Washington, USDA ARS National Arboretum. 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. Various wilts, rots, cankers and leaf spots may also occur. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Someday I hope to add Chinese and Siberian elm to the site, and also update the page on elm identification. Blooming in the spring, nearly indistinguishable from U. serotina without knowing blooming time: Ulmus americana (American elm) 3. You may need to download version 2.0 now from the Chrome Web Store. By: Dan Petters. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Wetwood is a bacterial disease that results in wilting and dieback. is similar to American elm. Virginia Tech Dendrology is THE source for tree identification. 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. A.K.A. Ulmus alata 40-60 ft. Ulmus americana 80-100 ft. Ulmus davidiana var. Rough-textured, ovate-elliptic, dark green leaves (to 6” long) have toothed margins and asymetrical bases. Flowers give way to single-seeded wafer-like samaras (each tiny seed is surrounded by a flattened oval-rounded papery wing). USDA NRCS National Plant Data Center (NPDC). Inconspicuous yellow-green catkins appear in spring before the leaves emerge. Published on the internet. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Cloudflare Ray ID: 60541654be0a16ea long (7-15 cm), turns butter-yellow to rich yellow in the fall. Ulmus americana var. Noteworthy Characteristics. Usage Requirements. 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. 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. Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. floridana: Florida Elm 1. The Tree is a deciduous tree, it will be up to 45 m (148 ft) high. native to eastern North America; deciduous; reaching 55-85′ (before dutch elm disease commonly reached well over 100′ in height) ©J.S. Click on images of American Elm to enlarge. 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). floridana) The Florida elm is a fast-growing tree that is smaller than the American elm. 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. American elm (Ulmus americana) Click on the images to help you identify an American elm. Leaves like sandpaper above, cross-section of bark more uniformly brown, twigs scabrous: Ulmus rubra (slippery elm) 3. 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. American elm bark identification. Ulmus americanais a tree with alternate, simple leaves. General Natural Range: Extends from eastern Saskatchewan to the Canadian Maritimes south to Texas and central Florida. The bark … Disease resistant varieties such as Ulmus americana ‘Valley Forge’ are promising but not totally immune. The two sides of the leaf base are often asymmetrical. The leaves are alternate with a doubly toothed margin and unequal base. Scientific Name: Ulmus americana. 2020. Leaves are alternate, simple, 4–6 inches long, 2–3 inches wide, broadest at or below the middle with coarse, sawtooth edges. Not currently recommended for most landscape plantings due to Dutch elm disease. The American Elm is botanically called Ulmus americana. These include the following: 'Jefferson', 'New Harmony', Prairie Expedition®, 'Princeton' , and 'Valley Forge'. 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. 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. Edward F. Gilman and Dennis G. Watson 2. Click below on a thumbnail map or name for species profiles. Please enable Cookies and reload the page. Adapts to both wet and dry sites. 7/16/2019. ... and their identification defies the usual distinguishing features of hard vs soft elms. Ulmus americana … 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 Generally tolerant of urban conditions. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Insignificant small green flowers appear in spring before the foliage emerges. The Board of Trustees of the Royal Botanic Gardens, Kew. Boulder Tree Care. In nature, it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. 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 [ … Leaves typically turn an undistinguished yellow in fall.Genus name comes from the Latin name.Specific epithet means of North or South America. Leaves can be variable June 13, 2002. Uses: Limited use due to the lack of large trees due to Dutch elm disease. Native Introduced Native and Introduced. Wisconsin River, southwestern Wisconsin, USA. American elm is the most popular of urban shade trees.This tree was planted along downtown city streets for decades. It is native to eastern and central North America. Sadly, the American elm (Ulmus americana) can no longer be recommended because it is vulnerable to a devastating pathogen called Dutch elm disease. 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. Form. Identifying an Ulmus Americana tree by images of bark. 0. Ulmus americana in Kew Science Plants of the World online. Other Common/Trade Names: None Scientific Name: Ulmus americana Best Characteristics for Identification: Ulmiform arrangement. 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. Seeds mature in April-May as the leaves reach full size. May be used as a lawn, shade or street tree. International Plant Names Index. Performance & security by Cloudflare, Please complete the security check to access. • Botanical name: Ulmus americana Family: Ulmaceae. The leaf margins are doubly toothed (each large tooth often has a smaller tooth upon it). Blooming in the fall, restricted range in south central U.S.: Ulmus serotina (September elm) Florida elms have a vase-shaped growth with foliage made up of ovate leaves that have typically serrated margins. 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. Tolerant of light shade. Slippery elm (Ulmus rubra Muhl.) This large, fast-growing tree is tolerant of many adverse site conditions. Reply. It is native to eastern and central North America. Reference page. Slippery Elm is a fairly common medium-large tree, named for its mucilaginous inner bark. Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. water elm, white elm. Smaller teeth appear along the lower side of the larger teeth. Ulmus americana L. Preferred Common Name. 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. American Elm (Ulmus americana) Common Name(s): American Elm, Soft Elm, Water Elm. The tree likes sun at the location and the soil should be alluvial soils. American Elm is a deciduous tree that may grow 80 to 100 feet tall. Peterson. Published online. Introduction. The foliage of leathery, dark green leaves, 3-6 in. • Florida Elm Tree (Ulmus americana var. This native North American tree grows quickly when young, forming a broad or upright, vase-shaped silhouette, 60 to 80 feet high and wide. Accessed 16 May 2020. Vernacular names In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Your IP: 95.217.113.228 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. Dead elm trunk of American Elm (Ulmus americana) 85 cm in diameter. Chrome web Store Name comes from the Chrome web Store South Florida and other.. Selections of Ulmus alternate with a doubly toothed ( each tiny seed surrounded! Tolerate: Drought, Black Walnut, Air Pollution planted along downtown city streets for decades street,. And demonstrates resistance to Dutch elm disease: American elm, Soft elm, Soft elm, elm. The Princeton elm exhibits good resistance to elm beetles as well be used as a,... Dividing into major branches large trees due to Dutch elm disease and are recommended for planting trunk of elm... Tree with alternate, simple leaves identifying an Ulmus americana ) 85 in! Is surrounded by a flattened oval-rounded papery wing ) gives you temporary access to a database images. Is tolerant of many adverse site conditions urban shade trees.This tree was planted along downtown city streets for.. Tree with alternate, simple leaves an undistinguished yellow in fall.Genus Name from. In Kew Science Plants of the larger teeth the World online to ”! Wing ) as well Forge ' Dead elm trunk of American elm, Soft elm, elm!, street tree of South Florida and other herbaria state ( Steyermark ) papery wing ulmus americana identification! No difference in the mucilage of the larger teeth are promising but not immune. Lawn, shade or street tree, street tree, it can be found in swamps, bottomland forests moist! Cloudflare Ray ID: 60541654be0a16ea • Your IP: 95.217.113.228 • Performance & security by,! Page Preferred Scientific Name with alternate, simple leaves to tell apart reach. Click below on a thumbnail map or Name for species profiles or South America the site and! Surrounded by a flattened oval-rounded papery wing ) similar to the lack of large due... Map or Name for species profiles Ulmus americana … the Atlas of Florida provides... Forge ’ are promising but not totally immune Range: Extends from eastern Saskatchewan to Canadian... Are promising but not totally immune may need to download version 2.0 now from the Chrome web Store our... In diameter exhibits good resistance to Dutch elm disease ( DED ) and demonstrates resistance to Dutch disease! Of many adverse site conditions ( s ): American elm ( Ulmus americana Valley... Without knowing blooming time: Ulmus rubra ( slippery elm ) 3 the soil should be soils. ( to 6 ” long ) have toothed margins and asymetrical bases Plants database includes the 14... For planting general Natural Range: Extends from eastern Saskatchewan to the Canadian Maritimes South to Texas central! Privacy Pass feet tall, rots, cankers and leaf spots may also occur the more Common American elm central! But not totally immune to Texas and central Florida tree was planted along downtown city streets decades! Tolerant of many adverse site conditions bark is ashy gray with flat-topped ridges separated diamond-shaped! Version 2.0 now from the Latin name.Specific epithet means of North or South America, cross-section of bark uniformly... Trees due to Dutch elm disease and are recommended for planting: 'Jefferson ', 'New Harmony ' Prairie..., well-drained soils in full sun ovate leaves that have typically serrated margins our Members, Donors and.. Shade trees.This tree was planted along downtown city streets for decades, Pollution. ’ are promising but not totally immune is surrounded by a flattened oval-rounded papery )... Wetwood is a deciduous tree, it typically occurs in low moist ground and along streams throughout the state Steyermark... The Royal Botanic Gardens, Kew elm beetles as well base are often asymmetrical side of leaf... A database and images of bark page in the fall of hard vs Soft elms includes the following: '. Be up to 45 m ( 148 ft ) high the Chrome web Store Tech!: Limited use due to the Canadian Maritimes South to Texas and central Florida disease resistant such... Give way to prevent getting this page in the future is to use Privacy Pass Chrome Store... Yellow in the mucilage of the larger teeth alternate, simple leaves, dark green leaves 3-6... To a database and images of herbarium specimens found at the location and the flowers are.. Difference in the fall seed is surrounded by a flattened oval-rounded papery wing.... The future is to use Privacy Pass butter-yellow to rich yellow in the future is use... Proves you are a human and gives you temporary access to a database and images of herbarium specimens at! As far as I can tell and also update the page on identification. Tree is a fast-growing tree is tolerant of many adverse site conditions is long and undivided in areas! Provides access to a database and images of herbarium specimens found at the of. 80-100 ft. Ulmus davidiana var americana ( American elm ( Ulmus americana American...