bark : Ulmus americana is a tree with alternate, simple leaves. 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. In early spring, before the new leaves unfold, the rather inconspicuous, small, green flowers appear on pendulous stalks. The bark is ashy gray with flat-topped ridges separated by diamond-shaped fissures. Family: Ulmaceae (Elm) ... Bark characteristics: Dark gray bark with deep, criss crossed ridges. AmericanElm. Owing to its geographical isolation and effective quarantine enforcement, Australia, has so far remained unaffected by Dutch Elm Disease, as have the provinces of Alberta and British Columbia in western Canada. The seeds mature in April-May as the leaves reach full size. In nature, it can be found in swamps, bottomland forests, moist slopes, and in areas with especially nutrient-rich soils. is similar to American elm. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. The leaf margins are doubly toothed (each large tooth often has a smaller tooth upon it). 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. 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. Prefers rich, moist loams. American elm, orme d'Amérique ... Bark light brown to gray, deeply fissured or split into plates. Insect visitors include borers, leaf miner, beetles, mealy bugs, caterpillars and scaleis. The seeds are eaten by songbirds and small mammals. 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. It has dark gray, ridged bark and elliptical leaves. The species is tetraploid (having a double The dark bark is furrowed with reddish flakes. In North Carolina, fruits are available from March to April. Ulmus americana. Adapt easily to extremes in soil pH, moisture and heat and wind. Populations in the United States have been decimated by … These will appear as summer adults from May-September, laying eggs that then develop into the winter adult form. Branches pendulous, old-growth branches smooth, not winged; twigs brown, pubescent to glabrous. Wisconsin River, southwestern Wisconsin, USA. Leaves: petiole ca. 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. The bark of the trunk is furrowed with flattened, spongy ridges, similar to that of American elm. Wetwood is a bacterial disease that results in wilting and dieback. An infusion made from the bark has been used in the treatment of bleeding from the lungs, ruptures, coughs, colds, influenza, dysentery, eye infections, cramps and diarrhoea [226, 257]. Scientific Name/Species – Ulmus Americana Family – Ulmaceae Genus – Ulmus Nickname – White elm or Water elm. Ulmus americana. Noteworthy Characteristics. Wetland Status. It is also susceptible to wetwood which is a bacterial disease that results in wilting and dieback. Interesting Info: The bark of young American Elm was used by pioneers to create rope swings for their children. American Elm (Ulmus americana) Click here to play description . The outer bark is a useful character to separate these two species. Not currently recommended for most landscape plantings due to Dutch elm disease. 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. It is also the most common tree in Central Park. Tolerant of light shade. Ulmus americana L. American or white elm. The tree was selected in 1922 because of its lovely crown shape. predominant landscape tree in the . It is also a host plant for Red Spotted Purple butterflies. Revised December 2006 and December 2018. Bark: Dark, ashy gray, flat-topped ridges separated by diamond-shaped fissures; outer bark when sectioned shows distinct, alternating, buff colored and reddish … 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. N.C. 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. In Missouri, it typically occurs in low moist ground and along streams throughout the state (Steyermark). Species. It has a strongly upright form and a narrow crown, markedly different from the spreading shape of American Elm (Ulmus americana). form a strategic partnership called N.C. .5" diameter. R. W. Smith . The bark is … VIDEO Created by Elizabeth Meyer for "Trees, Shrubs and Conifers" a plant identification course offered in partnership with Longwood Gardens. rallying point for American resistance . It is native to eastern and central North America. Ulmus americana, Linné, White elm.—America. Florida elms have a vase-shaped growth with foliage made up of ovate leaves that have typically serrated margins. Ulmus americana, generally known as the American elm or, less commonly, as the white elm or water elm, [lower-alpha 1] is a species native to eastern North America, occurring from Nova Scotia west to Alberta and Montana, and south to Florida and central Texas.The American elm is an extremely hardy tree that can withstand winter temperatures as low as −42 °C (−44 °F). The leaves are oblong and the flowers are brownish-purple. japonica 'Emerald Sunshine', Ulmus glabra, Ulmus glabra 'Horizontalis', Ulmus 'Homestead', Ulmus minor, Ulmus parvifolia, Ulmus pumila, Ulmus rubra, Ulmus x 'Cathedral', Ulmus x hollandica 'Jacqueline Hillier' Tags: #tree #deciduous tree #tsc-t #diseases Add. Adapts to both wet and dry sites. The disease is caused by the fungus Ceratocystis ulmi. This plant supports the following larvae: Painted Lady (Vanessa cardui), Eastern Comma (Polygonia comma), Mourning Cloak (Nymphalis antiopa), Question Mark Butterfly (Polygonia interrogationis). Its inner bark is collected in Michigan. American elm, Ulmus americana. Foliage characteristics: Simple, alternate leaves with double serrated margins and pubescent underside. 3-6" long. Mature bark distinctly ridged, not scaly; flowers appearing in the late winter to late spring; leaf base generally symmetrical; leaves 2-3.5 cm wide, 3 or fewer of … Blooms: Winter Nut/Fruit/Seed: Early Spring. Suggested Use: Shade Tree, Street Tree, Rain Garden, Tolerate: Drought, Black Walnut, Air Pollution. American elms once lived to be 200 or more years old. 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. Click on a scientific name below to expand it in the PLANTS Classification Report. This plant has no children Legal Status. floridana) The Florida elm is a fast-growing tree that is smaller than the American elm. Root graft (bark removed) between two adjacent American elms. The outer bark of U. rubra has contrasting light and dark layers when viewed in cross-section, that of U. americana does not. Ulmaceae -- Elm family. Various wilts, rots, cankers and leaf spots may also occur. Nativity: Eastern United States. 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"). Various wilts, rots, cankers and leaf spots may also occur. It has a fibrous root system making it easy to transplant. Ulmus americana L. Sp. Dutch elm disease, which is caused by the fungus Ophiostoma novo-ulmi through its transmission by the elm bark beetle, has changed that. Hardiness Zone(s) – from 2b to 9a Soil Requirements – Versatile able to easily adapt to a wide variety of soils. Adult Question Mark butterflies feed on rotting fruit, tree sap, dung, and carrion only visiting flowers for feeding when absolutely necessary. In late winter, small flowers mature in clusters of 3 to 5. Lifespan – From 100 up to several hundred years if kept disease free. Type – Deciduous and semi-deciduous. 1 - 22 of 22. These blooms are followed by green, wafer-like seedpods which m… The leaves typically turn an undistinguished yellow in fall. 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). Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Send by email Printer-friendly version. Original publication date November 1993. The American Elm is botanically called Ulmus americana. In North Carolina, flowers are available from February to March. Ulmus alata, Ulmus americana, Ulmus davidiana var. The leaves are alternate with a doubly toothed margin and unequal base. Elm (Ulmus spp. The outer bark is a useful character to separate these two species. The bark is ashy gray with flat-topped ridges separated by diamond-shaped fissures. Questionmark butterflies have an interesting life cycles: overwintered adult Question Mark butterflies lay eggs from spring until the end of May. It derives its name 'Dutch' from the first description of the disease and its cause in the 1920s by the Dutch botanists Bea Schwarz and Christina Johanna Buisman. The tree is in Central Park, New York City, and has an identification plaque. 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. Leaves can be variable in shape and size. The autumn colour is golden-yellow to brown-yellow. American Elm is a deciduous tree that may grow 80 to 100 feet tall. Read our Commitment to Diversity | Read our Privacy Statement. U. Ulmus americana; Media in category "Ulmus americana" The following 89 files are in this category, out of 89 total. Fire Risk: This plant has a low flammability rating. Although no longer common in eastern North America, there are several hundred American elms in Corvallis, most on the Oregon State campus. Wood soft. http://commons.wikimedia.org/wiki/File:Img_ulmus_americana_2209.jpg . The Tree is a deciduous tree, it will be up to 45 m (148 ft) high. Slippery elm (Ulmus rubra Muhl.) The two sides of the leaf base are often asymmetrical. Photographs and description of American Elm (Ulmus americana) American Elm - Ulmus americana. Winter temperatures can fall as low as -18°c (with extremes down to -40°c) in the north of its range, whilst in the far south even mild frosts are very rare. Revised December 2006 and December 2018. 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. Elms are loved for their graceful, stately shape, with branches like spreading fountains, and their green leaves that turn gold in fall. Ulmus americana L. – American elm Subordinate Taxa. (Photo courtesy of Shade Tree Laboratories, University of Massachusetts, Amherst.) Florida Elm Tree (Ulmus americana var. 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. 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. Leaves typically turn an undistinguished yellow in fall.Genus name comes from the Latin name.Specific epithet means of North or South America. Although intensive feeding by elm bark beetles can kill weakened trees, their main impact is as vectors of DED. The leaves are alternate with a doubly toothed margin and unequal base. Populations in the United States have been decimated by … Characteristic of swamps, such as river floodplains, even cedar swamps, often with Silver Maple, and also in rich upland hardwoods; also an important early successional species.