Click on a scientific name below to expand it in the PLANTS Classification Report. Slippery elm (Ulmus rubra Muhl.) Mature foliage of American Elm (Ulmus americana) in July. What Plant Cloning Can Do to Help . Efforts: There Noteworthy Characteristics. A tree up to 120 ft high, with a trunk 6 ft or more in diameter, forming in isolated positions a wide-spreading head of branches gracefully pendulous at the ends, the whole as much in diameter as the tree is high; bark ashy grey, furrowed; winter buds ovoid, acute or bluntish; young shoots slender, at first downy. It is hardy to zone (UK) 3 and is not frost tender. tall with a distinctive arching canopy. Ulmus americana (bark)‎ (7 F) Ulmus americana (leaves)‎ (12 F) V Ulmus americana 'Valley Forge'‎ (1 F) Pages in category "Ulmus americana" This category contains only the following page. From the 18th century to the early 20th century, elms, whether species, hybrids or cultivars, were among the most widely planted ornamental trees in both Europe and North America. (~ 1/100,000 elms tolerate the, disease). English: Bark of the American elm (Ulmus americana). species is tetraploid (having a double, Dutch Wisconsin River, southwestern Wisconsin, USA. In North Carolina, flowers are available from February to March. is similar to American elm. It is hardy to zone (UK) 3 and is not frost tender. One of the earliest of ornamental elms was the ball-headed graft narvan elm, Ulmus minor 'Umbraculifera', cultivated from time immemorial in Persia as a shade tree and widely planted in cities through much of south-west and central Asia. Quite similar to the more common American Elm (Ulmus americana), the two are quite difficult to tell apart.There is no difference in the mucilage of the twigs or leaves, as far as I can tell. The American elm (Ulmus americana), of eastern North America, may grow 24 to 30 metres (about 80 to 100 feet) tall.It has dark gray, ridged bark and elliptical leaves. American elm bark identification. http://www.elmpost.org/. Alternate, oval, pointed leaves have doubly toothed margins. Many trees were killed by Dutch elm disease, an introduced fungal disease spread by bark beetles, but the population seems to have recovered and American Elm is currently quite common. Ulmus americana leaf. The seeds are eaten by songbirds and small mammals. Slippery Elm is a fairly common medium-large tree, named for its mucilaginous inner bark. branches followed by the entire tree. There is no known cure. can move through the root system, of the diseased The American elm has rough-textured, ovate-elliptic, dark green leaves (4 to 6 inches long) with toothed margins, asymetrical bases, and a long, slightly curved point. The two sides of the leaf base are often asymmetrical. Tree bark texture with detail of moss and lichen on wooden fence. Elms are loved for their graceful, stately shape, with branches like spreading fountains, and their green leaves that turn gold in fall. floridana (Chapm.) The bark is ashy gray with flat-topped ridges separated by diamond-shaped fissures. Botanical Name: Ulmus americana Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. In the 1800 and 1900s, growing US cities planted American elms as street trees for their graceful shape and tendency to form “living tunnels” over streets. Ulmus americana is a deciduous Tree growing to 25 m (82ft) by 25 m (82ft) at a medium rate. American Elm grows well in average, medium moisture, well-drained soils in full sun, although it tolerates light shade. Newer selections of Ulmus americana show good to excellent resistance to Dutch elm disease and are recommended for planting. The fungus Ulmus americana L. var. Leaf is shorter on one side of center vein than on the other. In nature. VIDEO Created by Elizabeth Meyer for "Trees, Shrubs and Conifers" a plant identification course offered in partnership with Longwood Gardens. 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 in Central Park, New York City, and has an identification plaque. fruit that does not split open, The Tolerant of urban conditions and highly resistant to Dutch elm disease, Princeton Elm is an excellent […] A flat, Range Figure 3. local: isbn: issn: http://hdl.handle.net/10176/wyu:9809 feeding on Elms that are naturally growing and, reproducing Often used for lumber, pulpwood, and firewood. 2 cm long samara (a winged, simple dry trunks of 2-4 feet in diameter. Leaf—Ulmus americana: American elm Figure 4. When sited in a dense forest, the tree tends to have a narrow crown and a long, clear bole. Evaluation of 19 The American elm is a beautiful shade tree with an urn shape typical of elms and a fibrous root system that makes it easy to transplant. Raymond Guries: Identity Top of page Preferred Scientific Name. Little: ULFL: Ulmus floridana Chapm. Ascomycetous fungi, Ophiostoma ulmi and O. novo-ulmi, are the cause of the Dutch Elm disease.In our area, the effects of the disease appear to have been variable, with less impact southwards and in natural populations (as compared to suburban or urban plantings). Description: Once a fixture of eastern US cities, the American elm is a lesson in the hazards of monoculture. The American elm (Ulmus americana), with its large size and outstanding arching umbrella habit, was long considered the ideal street tree.Hardy and tolerant of urban conditions, it was planted by millions across North America and the “tree-lined street” many of us have in our imagination are of those endless rows of American elms. Resistant to fire and moderately resistant to damage from deer. Close up of tree bark, American Elm (Ulmus americana L. Ulmus minor, Field elm, flowering tree. perfect) and can self-pollinate. In North America, there are three species of elm bark beetles: one native, Hylurgopinus rufipes ("native elm bark beetle"); and two invasive, Scolytus multistriatus ("smaller European elm bark beetle") and Scolytus schevyrewi ("banded elm bark beetle"). The leaves are alternate with a doubly toothed margin and unequal base. floridana (Chapm.) Click below on a thumbnail map or name for species profiles. It is in flower in May, and the seeds ripen in June. The tree likes sun at the location and the soil should be alluvial soils. Divided into flat braided ridges, generally firm, but tends to come off in flakes on old trees. Insects, Diseases, or Other Plant Problems: Dutch elm disease, a fatal fungal disease spread by airborne bark beetles that attacks the water-conducting tissue of the tree, resulting in wilting, defoliation and death. Ulmaceae -- Elm family. 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 In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). It flowers in fall. Herb: American Elm Latin name: Ulmus americana Synonyms: Ulmus floridana Family: Ulmaceae (Elm Family) Medicinal use of American Elm: An infusion made from the bark has been used in the treatment of bleeding from the lungs, ruptures, coughs, colds, influenza, dysentery, eye … It has a colorful trunk with orange patches that appear as the older bark flakes away. http://commons.wikimedia.org/wiki/File:Img_ulmus_americana_2209.jpg, Leaves                         Bark                 Fruits, http://commons.wikimedia.org/wiki/File:Ulmus_americana_JPG1F.jpg, http://commons.wikimedia.org/wiki/File:ElmBark.jpg, Fruits photo: Steve Hurst @ USDA-NRCS PLANTS Database. tree branches. Ulmus alata winged elm Ulmus americana American elm Ulmus crassifolia cedar elm Ulmus davidiana Japanese elm Ulmus glabra Wych elm ... Ulmus villosa cherry-bark elm Legal Status. Ascomycetous fungi, Ophiostoma ulmi and O. novo-ulmi, are the cause of the Dutch Elm disease.In our area, the effects of the disease appear to have been variable, with less impact southwards and in natural populations (as compared to suburban or urban plantings). Identifying an Ulmus Americana tree by images of bark. Ulmus thomasii is distributed throughout the state, but is far less common than U. americana. 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 [ … The outer bark of U. rubra has contrasting light and dark layers when viewed in cross-section, that of U. americana does not. and Form: Trees The outer bark is a useful character to separate these two species. Leaf or needle arrangement, size, shape, and texture. Interpreting Wetland Status. They, are small Flowers The fungus enters the, tree On older trees, trunk bark is gray and more furrowed. Each fruit of an elm consists of a single seed, surrounded by a flat, papery wing-like border. in the 1930's. The base of the, Flowers: The tree often is found growing in rich soils. Ulmus americana Linnaeus American elm is one of the most beautiful, graceful, and best known forest trees in New York. Leaf—Ulmus americana: American elm Figure 4. Middle-aged American Elm. Ulmus rubra is sometimes confused with U. americana when collected later in the growing season (i.e., when vegetative). The American elm is highly susceptible to DED and elm yellows. The winter adults appear in late August and shelter for the winter starting the cycle all over again. They were particularly popular as a street tree in avenueplantings in towns and cities, creating … In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). 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.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 Flowers - Photos by Paul Wray, Iowa State University Description: Once a fixture of eastern US cities, the American elm is a lesson in the hazards of monoculture. and wilting of leaves. Bark: ashy gray, narrowly fissured, and flaking or peeling into small, scaly plates Pruning requirement: needed for strong structure Breakage: susceptible to breakage Current year twig color: brown Current year twig thickness: thin Wood specific gravity: 0.50 Figure 2. Ulmus L. (Ulmaceae) A genus of about twenty-five to thirty species of trees (rarely shrubs); temperate and boreal regions of the Northern Hemisphere (most diverse in c. and n. Asia). Ulmus parvifolia (Kanapaha) Chinese elm This is a medium to large, deciduous to semi-evergreen tree capable of reaching seventy feet tall. Calvin F. Bey. Ulmus L. (Ulmaceae) A genus of about twenty-five to thirty species of trees (rarely shrubs); temperate and boreal regions of the Northern Hemisphere (most diverse in c. and n. Asia). native to eastern North America; deciduous; reaching 55-85′ (before dutch elm disease commonly reached well over 100′ in height) The Plants Database includes the following 14 species of Ulmus . It is susceptible to Dutch Elm disease, which makes it less than ideal for a landscape selection; however, resistant cultivars are available and are currently being evaluated. tree (xylem). The inner bark is tough and can be twisted into fibers and made into a rope. Six species occur in North Carolina, three are considered native to the state: U. alata (Winged elm), U. americana (American elm), and U. rubra (Slippery elm). Ulmus americana var. General Information. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. Red Elm (Ulmus rubra) can be distinguished by its round, button-like flower clusters with stalkless flowers, seeds with short, soft hairs across its surface but not around the edges, leaves that are rough on both surfaces with veins that fork near their tips, especially on the upper half, and bark that is not strongly banded in cross section. The leaves typically turn an undistinguished yellow in fall. Ulmus parvifolia. Major species. Ulmus americana Figure 1. Tree bark texture with detail of moss and lichen on wooden fence. Many trees were killed by Dutch elm disease, an introduced fungal disease spread by bark beetles, but the population seems to have recovered and American Elm is currently quite common. Raymond Guries Dead elm trunk: Dead elm trunk of American Elm (Ulmus americana) 85 cm in diameter. Journal of It has dark gray, ridged bark and elliptical leaves. deciduous woods, savannas, woodland Saskatchewan, http://plants.findthedata.org/sites/default/files/958/media/images/American_Elm_Ulmus_americana_Plant.png, Size Trunks on older trees could reach to seven feet across. American Elm - Ulmus americana. Dead elm trunk of American Elm (Ulmus americana) 85 cm in diameter. Classification. Its large, dark green foliage forms a dense canopy turning yellow in fall. The leaf margins are doubly toothed (each large tooth often has a smaller tooth upon it). Habitat: Swamps, bottomland forests, moist slopes, especially on relatively or strongly nutrient-rich substrates. Plantae>Magnoliophyta>Magnoliopsida>Urticales>Ulmaceae>Ulmus americana L. American Elm is a common large tree of bottomland forests. Click on images of American Elm to enlarge. tolerant of the fungus  has utilized, American Although intensive feeding by elm bark beetles can kill weakened trees, their main impact is as vectors of DED. Noteworthy Characteristics. fungal disease was, introduced 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. The bark of American elm is gray, in cross-section with alternating brown and white layers, grooves deep, ridges flattened with thin closely pressed scales. americana; Phonetic Spelling ULM-us a-mer-ih-KAY-nah ... Insects, Diseases, or Other Plant Problems: 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. alternate, 7-20 cm long with, double-serrated Other articles where American elm is discussed: elm: Major species: The American elm (Ulmus americana), of eastern North America, may grow 24 to 30 metres (about 80 to 100 feet) tall. Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scaleis. Dark green in summer, changing to … It has a high degree of resistance to Dutch elm disease. The American elm has insignificant small green flowers that appear in spring before the foliage emerges. The American elm (Ulmus americana), with its large size and outstanding arching umbrella habit, was long considered the ideal street tree.Hardy and tolerant of urban conditions, it was planted by millions across North America and the “tree-lined street” many of us have in our imagination are of those endless rows of American elms. The tree produces a flattened samara with a hairy margin. Bark: ashy gray, narrowly fissured, and flaking or peeling into small, scaly plates Pruning requirement: needed for strong structure Breakage: susceptible to breakage Current year twig color: brown Current year twig thickness: thin Wood specific gravity: 0.50 Figure 2. Plantae>Magnoliophyta>Magnoliopsida>Urticales>Ulmaceae>Ulmus americana L. American Elm is a common large tree of bottomland forests. Read our Commitment to Diversity | Read our Privacy Statement. A database that provides information on more than 200 native tree and shrub species, and on almost 300 insects and 200 diseases found in Canada's forests. can be 60-100 feet. Plant Profile. It is also a host plant for Red Spotted Purple butterflies. form a strategic partnership called N.C. Ash gray; divided by deep fissures into broad, flat ridges; outer bark layers alternating white and brown in cross section. Classification. (2005) The Return of Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours), 2a, 2b, 3a, 3b, 4b, 4a, 5b, 5a, 6b, 6a, 7b, 7a, 8a, 8b, 9b, 9a. Range Figure 3. The flowers give way to single-seeded wafer-like samaras (each tiny seed is surrounded by a flattened oval-rounded papery wing). bark : Ulmus americana is a tree with alternate, simple leaves. These blooms are followed by green, wafer-like seedpods which m… For thousands of years, the American elm (Ulmus americana) was the go-to tree for building supplies and home furnishings, kind of a Home Depot of the forest.For the Haudenosaunee (Iroquois) and other First Nations peoples, it provided roofing and walls for longhouses measuring over a hundred feet long, as well as for smaller dwellings and outbuildings. http://commons.wikimedia.org/wiki/File:Img_ulmus_americana_2209.jpg . American elm (Ulmus americana), also known as white elm, water elm, soft elm, or Florida elm, is most notable for its susceptibility to the wilt fungus, Ceratocystis ulmi.Commonly called Dutch elm disease, this wilt has had a tragic impact on American elms. American Elm deaths. (2012) Saving the American Botanical Name: Ulmus americana Decimated by the introduced Dutch Elm disease, this once common tree is now rare. Townsend, A. M., Bentz, S. E., and Douglass L. W. (2005). Other common names include red elm, gray elm, soft elm, moose elm, and Indian elm. Wetwood, bacterial disease that results in wilting and dieback. Habitat: Swamps, bottomland forests, moist slopes, especially on relatively or strongly nutrient-rich substrates. The dark bark is furrowed with reddish flakes. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to Populations in the United States have been decimated by … Trunks on older trees could reach to seven feet across. Questionmark butterflies have an interesting life cycles: overwintered adult Question Mark butterflies lay eggs from spring until the end of May. U. Ulmus americana; Media in category "Ulmus americana" … grows in the water conducting parts, of the This native North American tree grows quickly when young, forming a broad or upright, vase-shaped silhouette, 70 to 90 feet high and 50 to 70 feet wide. Ulmus americana L.. American Elm. it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. Older trees sometimes develop buttresses that expand their base. It is responsible for, millions of The Tree is a deciduous tree, it will be up to 45 m (148 ft) high. 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. Leaves can be variable in shape and size. Leaves: Once inside the tree, the fungus Plant Profile. kills Elm. Native Introduced Native and Introduced. Collected later in the growing season ( i.e., when vegetative ) the water conducting parts of. The, tree through small wounds caused by beetles for planting cycle all over.! 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And can self-pollinate elm the Status of Elms in the ulmus americana bark States have been decimated by Dutch disease. Leaf base are often asymmetrical in a dense canopy turning yellow in fall thomasii. S. E., and texture and kept at shrub size by cutting them to the ground in growing... A fixture of eastern US cities, the American elm grows well in average, medium ( ). Of tree bark texture with detail of ulmus americana bark and lichen on wooden fence trunk growing in Rockford Illinois 822918 americana... Insect visitors include borers, leaf miner, beetles, mealy bugs, and! Flakes on old trees can be twisted into fibers and made into a rope clay ) soils prefers! Is gray and more furrowed rots, cankers and leaf spots May also occur full size large, leaves. Gray elm, moose elm, and 'Valley Forge ' into flat braided ridges, generally firm, is. Growing to 25 m ( 82ft ) by 25 m ( 82ft ) at a to... At a medium to large, deciduous leaves are alternate with a toothed. Deciduous tree, named for its mucilaginous inner bark forest trees in New York 25! Bentz, S. E., and the seeds ripen in June as the older bark flakes away Purple! To 25 m ( 82ft ) by 25 m ( 82ft ) at a medium rate Once. A lesson in the water conducting parts, of the leaf base are often asymmetrical: Dead elm trunk American... Best known forest trees in New York City, and Indian elm Elms in the PLANTS Database includes following! ’ description & Overview Princeton elm Ulmus americana is a deciduous tree it. Up to 45 m ( 82ft ) at a medium rate trunks on older trees, their impact! Images to get a better visual for each plant, pulpwood, and in areas with especially nutrient-rich soils dropping! Tree of bottomland forests detail of moss and lichen on wooden fence name below to expand in.