Quercus × alvordiana

Quercus × alvordiana, the Alvord oak, is a hybrid oak in the genus Quercus. It is a naturally occurring hybrid between Quercus douglasii and Quercus john-tuckeri.^[2]

Quercus × alvordiana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Species:	Q. × alvordiana
Binomial name
Quercus × alvordiana Eastw.
Synonyms[1]
Quercus dumosa var. alvordiana (Eastw.) Jeps.

Distribution

This hybrid is found throughout dry foothills of the Inner Coast Ranges (Diablo, Gabilan, Caliente, Temblor, Santa Lucia, Griswold Hills, etc.),Transverse Ranges (Tehachapi Mountains & Sierra Pelonas) and the southernmost portion of Sierra Nevada foothills.^[3] In certain xeric areas, hybrid swarms of Quercus x alvordiana become the dominant oak tree.^[4]

Description

Quercus × alvordiana is generally semi-evergreen, but is highly variable. The growth structure is fairly arborescent, usually multi-trunked, and can reach up to 6 meters (20 feet) in height.^{[citation needed]}