Overview

elm are deciduous and semi - deciduous Tree comprising the flowering plant life genus Ulmus in the familyUlmaceae .   The elmwood tree diagram produce to great heights , often with a fork-like luggage compartment creating a vase profile . Generally , Elm leave-taking are alternated with wide-eyed , single or most commonly two-fold serrate margins , usually asymmetrical at the foundation and acuminate at the acme .

The tree diagram also consists of patalless flowers that appear before the leave and are borne in clusters on jointed stems .   Elm ’s nutlike yield is skirt by a prostrate , sometimes hairy , wing - like structure referred to as Samara . All types of elms are tolerant of a wide range of soils and PH levels but , with few exception , necessitate estimable drainage . These trees have flourished and spread over most of theNorth Hemisphere , inhibiting the temperate and semitropic part of North America and Eurasia .

Types Of Elm Trees

1. American Elm Tree

The American elm tree is a small to average - sized ( to very large ) tree , at matureness with spreading branches forming a broad - spreading , buff - shaped diadem . The sprig are lithesome , reddish - brown turning as grayish with eld , hairy at first and smooth later on . The bark of American elm is grey , in cross - section with alternate brown and blanched layers , furrow deep , ridge drop with thin closely pressed graduated table .

Plant Profile

2. Japanese Elm Tree ( Zelkova serrata)

Zelkova serrata is a average sized tree usually growing to 30 m grandiloquent . It has alternately arranged leaves that are oval-shaped to oblong - ovate in shape with serrated or crenate margins . To effectively key out Zelkova serrata , a myopic independent trunk , low forking and a vase - shaped habit are main characteristics . The twigs of this works are slender with small , dark conical buds in a zig pattern . The branches are ordinarily glabrous . The barque is grayish whitened to grayish brown and either smooth with lenticels or exfoliate in patch to reveal orangish inner bark . The sprig are chocolate-brown - purple to brownness .

3. Rock Elm (Ulmus thomasii)

Rock elm is a rarefied tree that can produce up 100 ft and may inhabit for up to 300 years . The leaf are shiny dark light-green on the upper side and light green on the bottom . The big twigs have corky , irregular , prominent ridge . The chocolate-brown buds are generally rounded and velvety . The characteristic corked ridges are present on the little trunks and branches and on larger trunk ; the bark is break into narrow-minded , interlace ridges . The wafer - like fruit is wing , contain one source and is similar to the yield of other elms but is narrower and velvety .

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4. Camperdown Elm Tree

Camperdown elm is native to the forest at camperdown House , in Dundee , Scotland . The tree lento develops a across-the-board , flat brain that may finally make as mellow as 4 m and a commensurately wide poll with a weeping habit . The trunk of the young tree diagram is smooth and silver - gray ; later it become non-white grey with a connection of groove on maturity .   unseasoned branchlet are brown , slightly hairy and have lenticels whereas the leaves are hirsute on both sides and roughly serrate .

5. Cherry Bark Elm Tree (Ulmus villosa Brandis ex Gamble)

Ulmus villosaalso referred to asCherry Bark elmis a long lived deciduous tree aboriginal to the North West and western Himalaya . Its mid green leaves are oval-shaped with serrated margin , and turns scandalmongering before they fall in fall . Its subdivision are slightly nodding . Its grey bark is smooth with distinctive cherry like bands when immature , fissure with years . Its hermaphrodite flowers are without flower petal and are malarky pollinated . Its yield are in the flesh of sumara , elliptical and up to 12 cm long .

6. Slippery ElmTree (Ulmus rubra)

genus Ulmus rubra also mention to asthe slippy elmis aboriginal to easterly North America , ranging from southeast North Dakota , east to Maine and south Quebec , south to northern Florida and western Texas where it fly high in moist upland although it can also uprise in dry , intermediate filth . This species is almost exchangeable to the American elm , however , it is mainly identify from the American elm by its downy twig , chestnut dark-brown or cherry haired bud and despicable red internal bark .

The leaves of this plant are broad oblong to obovate , harsh above but velvety below with coarse double - serrate margins , acuminate acme and devious bases . The leaves are often red tinged on emergence , turn dark light-green by summertime and then a dull yellow in the pin .

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7. Cedar Elm Tree (Ulmus crassifolia Nutt)

Ulmus crassifolia also concern to asTexas cedar elm or just cedar elmis a medium to large deciduous Sir Herbert Beerbohm Tree , native to south central North America , mainly in southern and eastern Texas , Southern Oklahoma , Arkansas and Louisiana . The tree diagram grow to 24 - 27 m tall with a rounded crown . The leaves are small with an devious base . The bark is light brown to grey , with flattened ridge that break into thin , loose , gonzo scales . The yield is a modest fly samara , maturing rapidly after the flowering in tardy fall .

8. David Elm Tree (Ulmus davidiana Planch)

Ulmus davidiana also referred to asDavid elmwood Sir Herbert Beerbohm Tree or Father Davidis a large to medium deciduous tree with a remarkable resemblance to the American elm . It is widely distributed across China , Mongolia , Korea , Siberia and Japan . The leaves of this works are rocky on the upper surface and often dark red on outgrowth with an obovate to obovate - elliptic shape . The tree grows to a maximum of 15 m ( 50 ft ) with a comparatively lissom tree trunk supporting a dense canopy hurl a great shade . Its bark remain smooth for comparatively long time , before becoming longitudinally fissured .

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9. Siberian Elm (Ulmus pumila)

Ulmus pumila , also touch on to asSiberian elmis usually a small to medium - sized , often shaggy , deciduous tree grow to 25 m magniloquent . It is aboriginal to Central Asia , eastern Siberian , the Russian Far East , Mongolia , Tibet , northerly China , India and Korea . The leaf blade is elliptic - ovate to elliptic - lanceolate , transfer from benighted green to yellow in autumn . The twig are yellowish gray , glabrous , unwinged and without a cork layer , with scatter lenticel . The barque is sullen gray , on an irregular basis longwise fissure .

10. Chinese Elm Tree (Ulmus parvifolia)

Ulmus parvifolia commonly referred to as theChinese elm or ribbonwood elmis a little to medium tree growing to 10 - 18 m marvelous with a slender trunk and crown . The tree is aboriginal to eastern Asia , including China , Taiwan , Japan , North Korea , South Korea and Vietnam . The leave-taking of this Sir Herbert Beerbohm Tree are lowly , leathered , shiny green and single - toothed whereas its fruit is a samara , elliptic to ovate - elliptical and matures rapidly . The trunk has flaking bark of mottled gray with tans and reds , return rise to its other popular name , the lacebark elm .

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11. English Elm (Ulmus minor)

The Field elm unremarkably referred to asEnglish elmis a large to intermediate tree , often exceeding 40 m in pinnacle .   The upper leg of this tree form a fan - shaped crown with dark green leaves . Small reddish - purple hermaphrodite apetalous flowers appear in other spring before the leafage . English elm have rough , deep furrowed barque that looks like blocks on the tree diagram tree trunk .

12. European White Elm (Ulmus laevis)

Ulmus laevis also referred to asEuropean lily-white elm tree , fluttering , spread out elm tree , courtly elm or the Russian elmis a large tree aboriginal to Europe , from Northeast France to Southern Finland . The leaves of this tree are alternate , relatively thin , often papery in grain and very translucent , smooth above with a downy bottom .

The Sir Herbert Beerbohm Tree is rather less symmetrical with a looser , untidy arm structure and less neatly rounded crown . The bark is smooth at first , then in early matureness breaks into slight Second Earl Grey scale , which separate with age into a internet of grey - brown scales and reddish - chocolate-brown under - barque and finally is deeply fissure in old years like other elms .

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13. Wych elm Tree (Ulmus glabra)

Wych elm tree tree also refer to asScots elmis a large to medium tree that reaches heights of 40 m , typically with a broad crown . This eccentric of elm is known for its knotty , supple vernal shoots , which are always without the corky ridge , characteristic of many elms . The leaves are tolerant usually obovate with asymmetrical radical with the lobe often completely covering the little petiole . The fruit of this tree is a fly samara with a single round , germ in the nerve center , maturing in late spring .

14. Dutch elm (Ulmus hollandica)

Ulmus hollandica often simply referred to asDutch elm , is a instinctive loan-blend between Wych elm and field elm . The folio of Dutch elmwood are slender egg - shaped with a long bakshish and three-fold serrated perimeter whereas the bark is gray - calamitous , first fluid and later fissure lengthwise . Its xanthous flush are abruptly stalked and inconspicuous . The fruits of Dutch elmwood are samaras , elliptical with broad wings . The immature twigs are haired and ruby - brownish . The buds are brown , ovate , hairy and protruding .