Quercus × alvordiana

Quercus × alvordiana, the Alvord oak, is a hybrid oak in the genus Quercus. It has been reported to be a hybrid between Quercus douglasii and Quercus turbinella,^[1][2] or between Q. douglasii and Quercus john-tuckeri,^[3][4] which was formerly considered to be a variety of Q. turbinella.^[5]

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 is the most common hybrid of Q. douglasii.^{[citation needed]} It is endemic to California, where it occurs in the Southern Inner California Coast Ranges and western Transverse Ranges.^[6]

Description

Quercus × alvordiana is a shrub or tree under 3 metres (9.8 ft) tall which may be evergreen or deciduous.

The leaves are up to 5 centimeters long, a dull blue to gray-green on top and paler green on the undersides. The leaf blades have toothed edges and some have pointed tips.

The acorn is narrow in shape and up to 4 centimeters long, with a cup up to 1.6 centimeters wide.^[4]