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Quercus bicolor Willd.
SWAMP WHITE OAK
Life   Plantae   Dicotyledoneae   Fagaceae   Quercus

Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor

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Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor
Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor

Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor
Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor

Quercus bicolor
© Copyright Bobby Hattaway 2011 · 5
Quercus bicolor
Quercus bicolor, bark - of a large tree
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, bark - of a large tree

Quercus bicolor, whole tree or vine - view up trunk
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, whole tree or vine - view up trunk
Quercus bicolor, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, leaf - showing orientation on twig

Quercus bicolor, leaf - whole upper surface
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, leaf - whole upper surface
Quercus bicolor, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, leaf - margin of upper + lower surface

Quercus bicolor, leaf - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, leaf - unspecified
Quercus bicolor, leaf - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, leaf - unspecified

Quercus bicolor, twig - orientation of petioles
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, twig - orientation of petioles
Quercus bicolor, fruit - lateral or general close-up
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus bicolor, fruit - lateral or general close-up

Associates · map
FamilyScientific name @ source (records)
Aphididae  Monellia maculella @ AMNH_PBI (1)

Myzocallis ( @ NCSU (20); AMNH_PBI (2)
Botryosphaeriaceae  Phyllosticta livida @ BPI (2)

Phyllosticta phomiformis @ BPI (2)

Phyllosticta quercea @ BPI (1)
Cicadellidae  Eratoneura accola @ III (6); NCSU (1)

Eratoneura aculeata @ III (1)

Eratoneura bigemina @ III (1)

Eratoneura brevipes @ III (1)

Eratoneura campora @ III (2)

Eratoneura carmini @ III (4)

Eratoneura confirmata @ III (1)

Eratoneura curvata @ III (1)

Eratoneura externa @ III (1)

Eratoneura fergersoni @ III (2)

Eratoneura inepta @ III (2)

Eratoneura knullae @ III (2)

Eratoneura ligata @ III (1)

Eratoneura lucyae @ III (1)

Eratoneura metopia @ III (1)

Eratoneura millsi @ III (1)

Eratoneura mirifica @ AMNH_IZC (2); III (9); NCSU (1)

Eratoneura parvipes @ III (1)

Eratoneura patris @ III (1)

Eratoneura restricta @ III (1)

Eratoneura solita @ III (4)

Erythridula noeva @ III (1)

Jikradia olitoria @ AMNH_IZC (1)
Corticiaceae  Corticium centrifugum @ BPI (1)

Corticium confluens @ BPI (1)
Cronartiaceae  Cronartium cerebrum @ BPI (28)

Cronartium conigenum @ BPI (1)

Cronartium fusiforme @ BPI (31)

Cronartium quercuum @ BPI (1)

Cronartium strobilinum @ BPI (19)
Dermateaceae  Gloeosporium bicolor @ BPI (3)

Gloeosporium canadense @ BPI (8)

Marssonina martinii @ BPI (4)

Mollisia melaleuca @ BPI (1)
Erysiphaceae  Microsphaera alni @ BPI (7)

Microsphaera quercina @ BPI (3)

Sphaerotheca lanestris @ BPI (2)
Fomitopsidaceae  Daedalea quercina @ BPI (4)
Ganodermataceae  Ganoderma lucidum @ BPI (1)
Gnomoniaceae  Gnomonia setacea @ BPI (3)

Gnomonia veneta @ BPI (1)
Hymenochaetaceae  Hymenochaete corrugata @ BPI (2)

Hymenochaete rubiginosa @ BPI (2)
Membracidae  Archasia belfragei @ AMNH_ENT (2)

Atymna helena @ AMNH_ENT (73); UDCC_TCN (5)

Cyrtolobus dixianus @ UDCC_TCN (7)

Cyrtolobus gramatanus @ AMNH_ENT (64); UDCC_TCN (2)

Cyrtolobus griseus @ UDCC_TCN (4)

Cyrtolobus maculifrontis @ AMNH_ENT (21)

Cyrtolobus pallidifrontis @ AMNH_ENT (3); UDCC_TCN (1)

Cyrtolobus tuberosus @ UDCC_TCN (2)

Glossonotus turriculatus @ UDCC_TCN (1)

Hadrophallus bubalus @ AMNH_ENT (3)

Ophiderma evelyna @ AMNH_ENT (1)

Platycotis vittata @ UDCC_TCN (2); NCSU (1)

Smilia camelus @ AMNH_ENT (1)

Telamona maculata @ UDCC_TCN (1); AMNH_ENT (5)

Telamona monticola @ AMNH_ENT (3)

Telamona reclivata @ AMNH_ENT (3)

Xantholobus muticus @ UDCC_TCN (1); AMNH_ENT (1)
Microascaceae  Graphium cuneiferum @ BPI (1)
Miridae  Neolygus omnivagus @ AMNH_IZC (1)

Reuteria dobsoni @ AMNH_PBI (1)
Mycosphaerellaceae  Cercospora querci @ BPI (1)

Mycosphaerella spleniata @ BPI (2)
Pleurotaceae  Pleurotus striatulus @ BPI (1)
Polyporaceae  Fomes applanatus @ BPI (2)

Polyporus adustus @ BPI (1)

Polyporus cinnabarinus @ BPI (1)

Polyporus tulipiferus @ BPI (1)

Poria ambigua @ BPI (1)

Poria undata @ BPI (2)

Poria versipora @ BPI (2)

Poria @ BPI (1)
Schizoporaceae  Schizopora paradoxa @ BPI (1)
Stereaceae  Stereum hirsutum @ BPI (1)
Typhulaceae  Sclerotium colchicum @ BPI (1)
Xylariaceae  Camillea punctulata @ BPI (1)
_  Septogloeum querceum @ BPI (2)

Subulispora procurvata @ BPI (1)

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Following modified from US Forest Service
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Following modified from Plants Database, United States Department of Agriculture
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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 3 | Fagaceae | Quercus

46. Quercus bicolor Willdenow in G. H. E. Muhlenberg, Ges. Naturf. Freunde Berlin Neue Schriften. 3: 396. 1801.

Swamp white oak, chêne bicolore

Quercus bicolor var. angustifolia Dippel; Q . bicolor var. cuneiformis Dippel; Q . bicolor var. platanoides A. de Candolle; Q . platanoides (Lamarck) Sudworth

Trees , deciduous, to 30 m. Bark dark gray, scaly or flat-ridged. Twigs light brown or tan, 2-3(-4) mm diam., glabrous. Buds light or dark brown, globose to ovoid, 2-3 mm, glabrous. Leaves: petiole (4-)10-25(-30) mm. Leaf blade obovate to narrowly elliptic or narrowly obovate, (79-)120-180(-215) × (40-)70-110(-160) mm, base narrowly cuneate to acute, margins regularly toothed, or entire with teeth in distal 1/2 only, or moderately to deeply lobed, or sometimes lobed proximally and toothed distally, secondary veins arched, divergent, (3-)5-7 on each side, apex broadly rounded or ovate; surfaces abaxially light green or whitish, with minute, flat, appressed-stellate hairs and erect, 1-4-rayed hairs, velvety to touch, adaxially dark green, glossy, glabrous. Acorns 1-3(-5) mm, on thin axillary peduncle (20-)40-70 mm; cup hemispheric or turbinate, 10-15 mm deep × 15-25 mm wide, enclosing 1/2-3/4 nut, scales closely appressed, finely grayish tomentose, those near rim of cup often with short, stout, irregularly recurved and sometimes branched, spinose awns emerging from tubercle; nut light brown, ovoid-ellipsoid or oblong, (12-)15-21(-25) × 9-18 mm, glabrous. Cotyledons distinct. 2 n = 24.

Flowering in spring. Low swamp forests, moist slopes, poorly drained uplands; 0-1000 m; Ont., Que.; Ala., Conn., Del., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.

Putative hybrids between Quercus bicolor and Q . macrocarpa are common in areas of contact. The hybrids tend to have more deeply lobed leaves and varying degrees of development of awns as a fringe along the margin of the acorn cup. Such characteristics occur sporadically throughout many populations of Q . bicolor ; in some cases they may occur because of subtle introgression.

The Iroquois used Quercus bicolor in the treatment of cholera, broken bones, consumption, and as a witchcraft medicine (D. E. Moerman 1986).

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Quercus+bicolor&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=Quercus+bicolor&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
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Updated: 2017-12-17 07:16:10 gmt
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