ULMTH (Ulmus thomasii) Author: JDMcGreg. Leaf blade obovate to oblong-oval, (2.5-)9-11(-16) × 2.5-5 cm, base oblique, margins doubly serrate, apex short-acuminate; surfaces abaxially white-pubescent, pubescence not tufted in axils of veins, adaxially dark green, usually glabrous, sometimes scabrous. cc-publicdomain. Ulmus thomasii (meisse) bark.jpg 731 × 1,023; 575 KB Ulmus thomasii (meisse) corky wings.jpg 1,084 × 517; 241 KB Ulmus thomasii (meisse) leaves 2.jpg 1,181 × 788; 491 KB Ulmus thomasii grows as a tree from 15â30 m (50â100 feet) tall, and may live for <300 years. Accessed 2020-07-22. Rock elm is also unusual among North American elms in that it is often monopodial. (consulté le 20 mai 2013) Furthermore, sprout leaves of rock elm can be scabrous above. The volume of elm showed some signs of recovery after 1996 with increased growth rates and increased numbers of trees , but most recently, increased mortality rates are again ⦠Ses petites feuilles elliptiques à ovales dentées vert-luisant persistent ⦠The bark is grey-brown and deeply furrowed into scaly, flattened ridges. The tree ranges from southern Ontario and Quebec, south to Tennessee, west to northeastern Kansas, and north to Minnesota. Habitat. Ulmus thomasii. (2002) p 396 Parts Shown: Fruit, Habit, Leaf, Twig Art. ... (1987) p 51 Parts Shown: Fruit, Bark, Habit, Leaf, Twig Art. Many older branches have 3â4 irregular thick corky wings. Furthermore, sprout leaves of rock elm can be scabrous above. It is hardy to zone (UK) 5 and is not frost tender. Branches short-spreading, young branches pubescent, old-growth with 3-5 prominent, irregular, corky wings; twigs reddish, pubescent. The ⦠Wood hard. The mucilaginous inner bark provides the crude drug known as Slippery Elm Bark or Cortex Ulmi Interior, which was formerly official in the pharmacopoeias of Britain, France, United States and elsewhere. It has corky winged twigs, like U. thomasii, but samaras glabrous except for the ciliate margin. Winged samara, 1/2" long; ovate, waferlike, contains one seed, slightly notched at outer end; ripens in early summer. It is smaller than the American elm and has a straight trunk and oblong crown. It is hardy to zone (UK) 4 and is not frost tender. Leaves: petiole ca. 1991. The tree was named in 1902 for David Thomas, an American civil engineer, who had first named and described the tree in 1831 as Ulmus racemosa. This is to ensure that we give you the best experience possible. Slippery elm: Ulmus rubra . Ulmus thomasii. Ulmus thomasii Sarg.. Rock Elm. It is in flower in April, and the seeds ripen in May. It is by Rob Routledge at Sault College. ... even free of bark, long dead, but completely free on rot, even when found on the ground. Ulmus davidiana is a deciduous Tree growing to 15 m (49ft 3in). Son écorce est très décorative, dans les tons de gris clair avec plaques orangées. The barkis grey-brown and deeply furrowed into scaly, flattened ridges. Ulmus thomasii grows as a tree from 50â100 feet (15â30 m) tall, and may live up to 300 years. For the Rock Elm Crater, see Rock Elm Disturbance. Where forest-grown, the crown is cylindrical and upright with short branches, and is narrower than most other elms. Scientific Name: Ulmus thomasii. There are no related plants for species Ulmus thomasii. Ulmus thomasii is native to the continental climate of central and eastern N. America, with its cold winters and warm summers. Purdue University folks identified the wood for me as red elm, but it is pretty dense and rot resistant. Ulmus thomasii Sarg. Ash gray; divided by deep fissures into broad, flat ridges; outer bark layers alternating white and brown in cross section. © 2020 Minnesota DNR | Equal opportunity employer |, Call 651-296-6157 or 888-MINNDNR (646-6367). Ulmaceae . Ulmus thomasii . Many trees have few branches until near the cylindrical crown. Bark gray, deeply fissured with broad, flattened ridges. Height 60' to 70', diameter 24" to 48"; straight trunk; somewhat conical head with long, graceful branches. The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. [3] Etymology . 2 "Gleason, Henry A. Image 5443577 is of rock elm (Ulmus thomasii ) bark. Rock Elm, University of Guelph Arboretum Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Licensing . Ulmus rubra Muhl. [5] Rock elm is also unusual among North American elms in that it is often monopodial. Like most websites we use cookies. [6] The bark is grey-brown ⦠Web. Would that likely be rock elm? ... to MN, south to NJ, WV, western VA, TN, and northern AR. (fr) Référence Catalogue of Life : Ulmus thomasii Sarg. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind. â orme liège : Species: Ulmus villosa Brandis ex Gamble â marn elm, cherry-bark elm : References Expert(s): Expert: Notes: Reference for: Other Source(s): Source: Angiosperm Phylogeny ⦠Extremely hard and tough, difficult to split, only moderately resistant to decay; sapwood is nearly white in mature trees; used for parts of heavy agricultural implements, vehicles, handles, and boats. A number of Eurasian elms are planted as shade and ornamental trees, and more may yet be found as escapes. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and ⦠Printed in Great Britain. Part of elm genus Ulmus in elm family Ulmaceae in ︎ apple / ︎ berry / buckthorn / elm / hemp / ︎ rose order Rosales. Older branches are hairless, the bark turning gray, becoming thick and corky in the fourth year. U. americana usually branches low into a broadly spreading canopy with the lower branches rising strongly. Deciduous tree to 25 m with a strong central trunk. Illinois. cc-publicdomain. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Overview ; data ; media ; articles ; maps ; names ; license license. Shrubs Online ( treesandshrubsonline has both male and female organs ) and is narrower than most other elms 1219256... To Minnesota in addition, users can learn about the location of specimens. About the location of vouchered specimens and see images to get a better visual for each plant, used making! Deeply furrowed into scaly, flattened ridges the free Encyclopedia - WikiMili the... 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