Genus Quercus

Subgenus Quercus

Typical oaks. Widespread; acorns not tightly clustered, with scales on acorn cup arranged in spirals. Species See List of Quercus species The term oak can be used as part of the common name of any of several hundred species of trees and shrubs in the genus Quercus, and some related genera, notably Lithocarpus. ...

Section Quercus

The white oaks (synonym sect. Lepidobalanus). Europe, Asia, north Africa, North America. Styles short; acorns mature in 6 months, sweet or slightly bitter, inside of acorn shell hairless. World map showing Europe (geographically) When considered a continent, Europe is the worlds second-smallest continent in terms of area, with an area of 10,600,000 km² (4,140,625 square miles), making it larger than Australia only. ... World map showing location of Asia Asia is the central and eastern part of Eurasia, defined by subtracting Europe from Eurasia. ... // Etymology World map showing Africa (geographically) The name Africa came into Western use through the Romans, who used the name Africa terra — land of the Afri (plural, or Afer singular) — for the northern part of the continent, as the province of Africa with its capital Carthage, corresponding to modern-day... World map showing location of North America A satellite composite image of North America North America is a continent in the northern hemisphere, bounded on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west...

• Quercus alba - White oak - eastern North America
• Quercus aliena - Oriental white oak - eastern Asia
• Quercus arizonica - Arizona white oak # - southwestern North America
• Quercus austrina - Bluff oak- southeastern North America
• Quercus bicolor - Swamp white oak - eastern & midwestern North America
• Quercus boyntonii - Boynton's post oak - south central North America
• Quercus chapmannii - Chapmann oak - southeastern North America
• Quercus depressipes - - Texas
• Quercus dilatata - Himalaya
• Quercus douglasii - Blue oak - southwestern North America
• Quercus emoryi - Emory oak # - southwestern North America
• Quercus faginea - Portuguese oak - southwestern Europe
• Quercus fusiformis - Texas live oak - south central North America
• Quercus gambelii - Gambel oak - southwestern North America
• Quercus garryana - Oregon white oak - western North America
• Quercus geminata - Sand live oak # - southeastern North America
• Quercus grisea - Gray oak - south central North America
• Quercus havardii - Sand shinnery oak, Shin oak - south central North America
• Quercus hinckley - - Texas
• Quercus hondurensis - # - Honduras
• Quercus ilex - Holm oak # - southern Europe, northwestern Africa
• Quercus intricata - - Texas
• Quercus laceyi - Lacey oak - south central North America
• Quercus lanata - Woolly-leaved oak # - Himalaya
• Quercus leucotrichophora - Himalayan oak # - Himalaya
• Quercus lobata - Valley oak or California white oak - southwestern North America
• Quercus lyrata - Overcup oak - eastern North America
• Quercus macrocarpa - Bur oak - eastern & central North America
• Quercus mohriana - Mohr oak - southwestern North America
• Quercus michauxii - Swamp chestnut oak - eastern North America
• Quercus minima - Dwarf live oak # - southeastern North America
• Quercus mongolica - Mongolian oak - eastern Asia
• Quercus montana - Chestnut oak - eastern North America (syn. Q. prinus)
• Quercus muhlenbergii - Chinkapin oak - eastern North America
• Quercus oblongifolia - Mexican blue oak # - western North America
• Quercus oglethorpensis - Oglethorpe oak - southeastern North America
• Quercus peduncularis - # - Central America
• Quercus petraea - Sessile oak - Europe
• Quercus polymorpha - Monterrey oak# - Mexico & extreme S. Texas
• Quercus prinoides - Dwarf chinkapin oak - eastern North America
• Quercus pubescens - Downy oak - Europe
• Quercus pungens - Sandpaper oak # - south central North America
• Quercus robur - Pedunculate oak, English oak - Europe, West Asia
• Quercus rugosa - Netleaf oak# - Mexico
• Quercus stellata - Post oak - eastern North America
• Quercus toumeyi - Toumey Oak - Extreme SW. New Mexico
• Quercus turbinella - Scrub live oak # - southwestern North America
• Quercus vaseyana - Vasey oak - southwestern North America
• Quercus virginiana - Southern live oak # - southeastern North America

Binomial name Quercus alba L. The White oak (Quercus alba) is one of the most magnificent of oaks. ... Binomial name Quercus bicolor Willd. ... ... The Himalaya is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau. ... Binomial name Quercus douglasii The Blue oak (Quercus douglasii) is an oak in the white oak section of the genus, Quercus sect. ... Binomial name Quercus emoryi Torr. ... Binomial name Quercus fusiformis Texas live oak is an evergreen or nearly evergreen oak tree, Quercus fusiformis, native to the southern United States, in Texas from about Corpus Christi west to the Pecos River and north to southern Oklahoma, and also in adjacent northeastern Mexico in Coahuila and Nuevo Le... Binomial name Quercus gambelii Nutt. ... Binomial name Quercus garryana Douglas ex Hook. ... ... Binomial name Quercus ilex L. The Holm Oak Quercus ilex L., also called Holly oak or Evergreen Oak, is a large evergreen oak native to the Mediterranean region. ... Binomial name Quercus macrocarpa Michx. ... Binomial name Quercus michauxii Nutt. ... Binomial name Quercus prinus The Chestnut oak (Quercus prinus, or Quercus montana in some references) is one of the chestnut oak subgroup of the white oak group, genus Quercus section Quercus. ... Categories: Plant stubs | Oaks ... Binomial name Quercus petraea (Mattuschka) Liebl. ... Binomial name Quercus pubescens Willd. ... Binomial name Quercus robur L. The Pedunculate Oak or English Oak (Quercus robur) is native to most of Europe, and to Asia Minor to the Caucasus, and also to parts of North Africa. ... Binomial name Quercus stellata Wangenh. ... Binomial name Quercus virginiana Mill. ...

Section Mesobalanus

Europe, Asia, north Africa. Styles long; acorns mature in 6 months, bitter, inside of acorn shell hairless (closely related to sect. Quercus and sometimes included in it).

• Quercus dentata - Daimyo oak - eastern Asia
• Quercus frainetto - Hungarian oak - southeastern Europe
• Quercus macranthera - Caucasian oak - western Asia
• Quercus pontica - Armenian oak - western Asia
• Quercus pyrenaica - Pyreneean oak - southwestern Europe
• Quercus vulcanica - Kasnak oak - southwestern Asia

Binomial name Quercus frainetto Tenore The Hungarian oak (Quercus frainetto) is a large oak, native to central and southeastern Europe, classified in Quercus sect. ...

Section Cerris

Europe, Asia, north Africa. Styles long; acorns mature in 18 months, very bitter, inside of acorn shell hairless or slightly hairy.

• Quercus acutissima - Sawtooth oak - eastern Asia
• Quercus alnifolia - Golden oak of Cypres - Cypres
• Quercus calliprinos - Palestine oak # - southwestern Asia
• Quercus cerris - Turkey oak - southern Europe, southwestern Asia
• Quercus coccifera - Kermes oak # - southern Europe
• Quercus libani - Lebanon oak - southwestern Asia
• Quercus macrolepis - Vallonea oak - southwestern Asia
• Quercus semecarpifolia - Himalayan oak # - southern Asia
• Quercus suber - Cork oak # - southwestern Europe, northwestern Africa
• Quercus trojana - Macedonian oak - southeastern Europe
• Quercus variabilis - Chinese cork oak - eastern Asia

Binomial name Quercus cerris L. The Turkey Oak (Quercus cerris) is an oak native to southern Europe and Asia Minor. ... Binomial name Quercus suber L. The Cork Oak (Quercus suber) is a medium sized, evergreen oak tree in the section Quercus sect. ... Binomial name Quercus trojana Webb The Macedonian Oak (Quercus trojana) is an oak in the turkey oak section Quercus sect. ...

Section Protobalanus

The intermediate oaks. Southwest USA & northwest Mexico. Styles short, acorns mature in 18 months, very bitter, inside of acorn shell woolly.

• Quercus cedrosensis - Cedros Island oak # - Baja California
• Quercus chrysolepis - Canyon live oak # - southwestern North America
• Quercus palmeri - Palmer oak # - southwestern North America
• Quercus tomentella - Island oak # - southwestern North America
• Quercus vaccinifolia - Huckleberry oak # - southwestern North America

Binomial name Quercus tomentella Engelm. ...

Section Lobatae

The red oaks (synonym sect. Erythrobalanus). North, Central & South America. Styles long, acorns mature in 18 months, very bitter, inside of acorn shell woolly.

• Quercus acerifolia - Maple leaved oak, or Mapleleaf oak # - south central North America
• Quercus agrifolia - Coast live oak # - southwestern North America
• Quercus arkansana - Arkansas oak - southeastern North America
• Quercus buckleyi - Buckley oak - southwestern North America
• Quercus canbyi - Canby oak # - Mexico
• Quercus coccinea - Scarlet oak - eastern North America
• Quercus ellipsoidalis - Northern pin oak - eastern North America
• Quercus emoryi - Emory oak - southwestern North America
• Quercus falcata - Southern red oak, or Spanish oak - southeastern North America
• Quercus gravesii - Chisos red oak - Mexico, southwestern North America (Texas)
• Quercus graciliformis - # - Extreme SW North America
• Quercus georgiana - Georgia oak - southeastern North America
• Quercus humboldtii - South American Oak # - northern South America
• Quercus hypoleucoides - Silverleaf oak # - southwestern North America
• Quercus ilicifolia - Bear oak - eastern North America
• Quercus imbricaria - Shingle oak - eastern North America
• Quercus incana - Bluejack oak - southwestern North America
• Quercus inopina - # - southeastern North America
• Quercus kelloggii - California black oak - western North America
• Quercus laevis - American turkey oak - southeastern North America
• Quercus laurifolia - Laurel oak # - southeastern North America
• Quercus marilandica - Blackjack oak - eastern North America
• Quercus myrtifolia - Myrtle oak - southeastern North America
• Quercus nigra - Water oak # - eastern North America
• Quercus palustris - Pin oak - eastern North America
• Quercus phellos - Willow oak - eastern North America
• Quercus polymorpha - Coahuila oak # - Mexico
• Quercus pumila - Runner oak - southeastern North America
• Quercus rhysophylla - Loquat-leaf oak # - Mexico
• Quercus rubra - Northern red oak - eastern North America
• Quercus sapotaefolia- # - Central America
• Quercus shumardii - Shumard Oak - southeastern North America
• Quercus tardifolia - Lateleaf oak - Extreme S.Texas
• Quercus texana - Nuttall's oak - south central North America
• Quercus velutina - Black oak - eastern North America
• Quercus wislizenii - Interior live oak # - southwestern North America

Binomial name Quercus agrifolia The Coast live oak, Quercus agrifolia, also called the California live oak, is an evergeen oak, highly variable and often shrubby, found in the coastal regions of southwestern North America from Mendocino County, California south to northern Baja California in Mexico. ... Binomial name Quercus coccinea Muenchh. ... Binomial name Quercus emoryi Torr. ... Binomial name Quercus falcata Michx. ... Binomial name Quercus georgiana M. A. Curtis The Georgia oak (Quercus georgiana), also called the Stone Mountain oak, is a rare deciduous oak. ... Binomial name Quercus kelloggii Newb. ... Binomial name Quercus laevis The American Turkey Oak (Quercus laevis) is a member of the red oak group of oaks. ... Binomial name Quercus laurifolia Michx. ... Binomial name Quercus marilandica Muenchh. ... Binomial name Quercus palustris Muenchh. ... Binomial name Quercus rubra L. The Northern Red Oak, Quercus rubra (syn. ... Binomial name Quercus shumardii L. The Shumard Oak, Quercus shumardii (also known as spotted oak, Schneck oak, Shumard red oak, and swamp red oak), is one of the largest of the oak species in the Red Oak group (Quercus section Lobatae). ... Binomial name Quercus velutina Black oak (Quercus velutina) is a deciduous tree of the red oak group of oaks. ... Binomial name Quercus wislizenii The Interior live oak, Quercus wislizenii is an evergeen oak, highly variable and often shrubby, found in the large areas of California in the United States. ...

Subgenus Cyclobalanopsis

Acorns of a species in subgenus Cyclobalanopsis

Cluster-acorn oaks. A large group of evergreen oaks in east Asia with clustered acorns and the scales on the acorn cups in distinct concrescent rings (see photo, right); often treated as a separate genus Cyclobalanopsis. Download high resolution version (802x800, 35 KB)This is a file from the Wikimedia Commons, a repository of free content hosted by the Wikimedia Foundation. ... Download high resolution version (802x800, 35 KB)This is a file from the Wikimedia Commons, a repository of free content hosted by the Wikimedia Foundation. ...

Section Cyclobalanopsis

• Quercus acuta - Japanese evergreen oak # - eastern Asia
• Quercus glauca - Glaucous-leaf oak # - southeastern Asia
• Quercus kerrii - Kerr's oak # - southeastern Asia
• Quercus lamellosa - # - Himalaya
• Quercus lineata - # - southeastern Asia
• Quercus myrsinifolia - Bamboo-leaf oak # - eastern Asia
• Quercus oxyodon - # - Assam, Myanmar

• Quercus dilatata - # -Himalaya (not sure what subgenus)

Quercus glauca, or Glaucous-leaf oak is a small, broadleaf, evergreen tree, of high ornamental value. ... Assam (অসম) is a northeastern state of India with its capital at Dispur. ... The Himalaya is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau. ...

Notes

# Species with evergreen foliage ("live oaks") are tagged #. Note that the change from deciduous to evergreen character (or vice-versa) has evolved on numerous occasions in Quercus, and does not necessarily indicate that the species concerned are closely related. A Silver Fir shoot showing three successive years of retained leaves In botany, an evergreen plant is a plant which retains its leaves year-round, with each leaf persisting for more than 12 months. ... Southern live oaks on Skidaway Island, near Savannah, Georgia Live oak is a common name for a number of unrelated oaks in several different sections of the genus Quercus that happen to share the character of evergreen foliage. ...

External links

• Flora of North America - Quercus
• Flora of China - Quercus
• Flora of China - Cyclobalanopsis