|
|
|
|
|
List Of Quercus SpeciesGenus Quercus Subgenus Quercus Typical oaks. Widespread; acorns not tightly clustered, with scales on acorn cup arranged in spirals. 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. 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). Section Cerris Europe, Asia, north Africa. Styles long; acorns mature in 18 months, very bitter, inside of acorn shell hairless or slightly hairy. Section Protobalanus The intermediate oaks. Southwest USA & northwest Mexico. Styles short, acorns mature in 18 months, very bitter, inside of acorn shell woolly. 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 - # - south central North America
- Quercus agrifolia - Coast live oak # - southwestern North America
- Quercus arkansana - Arkansas oak - southeastern North America
- Quercus buckleyi - Texas shumard 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 shumardii - Shumard oak - eastern 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
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. Section Cyclobalanopsis - Quercus dilatata - # -Himalaya (not sure what subgenus)
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. External links Quercus
|
 |
|
| Copyright 2005-2009 OnPedia.com. All Rights Reserved |
|
|