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Ulmus rubra Muhl.
SLIPPERY ELM
Life   Plantae   Dicotyledoneae   Ulmaceae   Ulmus

Ulmus rubra, Slippery Elm
© Copyright Sheryl Pollock 2011 · 8
Ulmus rubra, Slippery Elm

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Ulmus rubra, Slippery Elm
© John Pickering, 2004-2017 · 5
Ulmus rubra, Slippery Elm
Ulmus rubra, Slippery Elm
© John Pickering, 2004-2017 · 5
Ulmus rubra, Slippery Elm

Ulmus rubra, whole tree or vine - general
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, whole tree or vine - general
Ulmus rubra, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, leaf - showing orientation on twig

Ulmus rubra, leaf - whole upper surface
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, leaf - whole upper surface
Ulmus rubra, whole tree or vine - general
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, whole tree or vine - general

Ulmus rubra, bark - of a large tree
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, bark - of a large tree
Ulmus rubra, leaf - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, leaf - unspecified

Ulmus rubra, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, leaf - margin of upper + lower surface
Ulmus rubra, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, leaf - showing orientation on twig

Ulmus rubra, twig - orientation of petioles
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, twig - orientation of petioles
Ulmus rubra, twig - orientation of petioles
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, twig - orientation of petioles

Ulmus rubra, bark - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, bark - unspecified
Ulmus rubra, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Ulmus rubra, inflorescence - whole - unspecified

Associates · map
FamilyScientific name @ source (records)
Aphididae  Eriosoma ulmi @ NCSU_ENT (2)

Kaltenbachiella ulmifusa @ NCSU_ENT (2)

Tetraneura ( @ NCSU (15)
Botryosphaeriaceae  Phyllosticta ulmi-rubrae @ BPI (1)
Cicadellidae  Empoasca curvatura @ III (1)

Empoasca fabae @ III (1)

Empoasca hama @ III (1)

Empoasca recurvata @ III (1)

Eratoneura accola @ III (1)

Eratoneura affinis @ III (47)

Eratoneura ardens @ III (4)

Eratoneura basilaris @ III (19)

Eratoneura bigemina @ III (14)

Eratoneura bispinosa @ III (9)

Eratoneura campora @ III (13)

Eratoneura carmini @ III (2)

Eratoneura clara @ III (1)

Eratoneura clavipes @ III (2)

Eratoneura concisa @ III (1)

Eratoneura contracta @ III (40)

Eratoneura era @ III (1)

Eratoneura gemina @ III (1)

Eratoneura gilesi @ III (1)

Eratoneura immota @ III (1)

Eratoneura knighti @ III (1)

Eratoneura lenta @ III (1)

Eratoneura misera @ III (1)

Eratoneura nigriventer @ III (1)

Eratoneura stoveri @ III (9)

Eratoneura tantula @ III (2)

Eratoneura teshi @ AMNH_IZC (1); NCSU (1); III (4)

Eratoneura triangulata @ III (1)

Erythridula complicata @ III (1)

Erythridula cornipes @ III (1)

Erythridula cruciformis @ III (1)

Erythridula eluta @ III (1)

Erythridula falcata @ III (1)

Erythridula fulvocephala @ III (1)

Erythridula normanti @ III (1)

Erythridula obliqua @ III (1)

Erythridula stylata @ III (1)

Erythridula ulmosa @ III (4)

Erythridula unicuspidis @ III (1)

Erythridula volucris @ III (2)

Erythridula whitti @ III (1)

Hymetta balteata @ III (1)

Kybos copula @ III (1)
Derbidae  Anotia @ MEMU_ENT (3)

Apache degeeri @ UDCC_NRI (2)
Erysiphaceae  Uncinula macrospora @ BPI (1)
Miridae  Saileria irrorata @ AMNH_PBI (1)
Taphrinaceae  Taphrina ulmi @ BPI (6)
Tingidae  Corythucha ulmi @ NCSU (1)
_  Ceratophorum ulmicola @ BPI (1)

Septogloeum ulmi @ BPI (2)

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Following modified from Virginia Tech Dendrology
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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA | Family List | FNA Vol. 3 | Ulmaceae | Ulmus

4. Ulmus rubra Muhlenberg, Trans. Amer. Philos. Soc. 5: 169. 1793.

Slippery elm, orme rouge

Ulmus crispa Willdenow; U . fulva Michaux; U . pendula Willdenow; U . pubescens Walter

Trees , 18-35 m; crowns open. Bark brown to red, deeply and irregularly furrowed. Wood soft. Branches spreading; twigs gray, densely pubescent when young, glabrous with age. Buds obtuse; scales red, margins red-tomentose. Leaves: petiole 5-7 mm, pubescent. Leaf blade obovate to ovate, 8-16 × 5-7.5 cm, base oblique, margins doubly serrate in distal 1/2-3/4, singly serrate proximally, basal teeth 6 or fewer, rounded, less distinct, apex acuminate; surfaces abaxially tomentose, dense tufts of white hair in axils of major veins, adaxially harshly scabrous, trichomes pointed toward apex, margins ciliate. Inflorescences dense fascicles less than 2.5 cm, 8-20-flowered, flowers and fruits not pendulous, subsessile; pedicel 1-2 mm. Flowers: calyx green to reddish, shallowly lobed, lobes 5-9, reddish pubescent; stamens 5-9; anthers reddish; stigmas exserted, pink reddish. Samaras yellow to cream, suborbiculate, 12-18 mm diam., broadly winged, samaras pubescent on body only, rusty-tomentose, margins glabrous. Seeds thickened, not inflated. 2 n = 28.

Flowering late winter-early spring. Lower slopes, alluvial flood plains, stream banks, riverbanks, and wooded bottom lands; 0-600(-900) m; Ont., Que.; Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis.

Scabrous-leaved Ulmus rubra is often confused with U . americana . Where ranges coincide, U . rubra may freely intergrade with Ulmus pumila Linnaeus, a widely introduced species.

The red-rust, mucilaginous inner bark of Ulmus rubra is distinctive; its sticky slime gives this tree its common name of slippery elm. Native American tribes used Ulmus rubra for a wide variety of medicinal purposes, including inducing labor, soothing stomach and bowels, treating dysentary, coughs, colds, and catarrhs, dressing burns and sores, and as a laxative (D. E. Moerman 1986). Various preparations utilizing it are still marketed.

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ulmus+rubra+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ulmus+rubra+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ulmus+rubra+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-12-14 05:20:47 gmt
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