An oak is a tree or shrub in the genus Quercus ( Latin "oak tree") of the beech family, Fagaceae. source
An oak is a tree or shrub in the genus Quercus ( Latin "oak tree") of the beech family, Fagaceae.
There are approximately 600 extant species of oaks. source
There are approximately 600 extant species of oaks.
The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks). source
The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks).
The second greatest center of oak diversity is China, which contains approximately 100 species. source
The second greatest center of oak diversity is China, which contains approximately 100 species.
Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaf with smooth margins. source
Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaf with smooth margins.
In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers. source
In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers.
The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus. source
The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.
Quercus (synonyms Lepidobalanus and Leucobalanus), the white oaks of Europe, Asia and North America. source
Quercus (synonyms Lepidobalanus and Leucobalanus), the white oaks of Europe, Asia and North America.
The Turkey oak and its relatives of Europe and Asia. source
The Turkey oak and its relatives of Europe and Asia.
Protobalanus, the canyon live oak and its relatives, in southwest United States and northwest Mexico. source
Protobalanus, the canyon live oak and its relatives, in southwest United States and northwest Mexico.
Lobatae (synonym Erythrobalanus), the red oaks of North America, Central America and northern South America. source
Lobatae (synonym Erythrobalanus), the red oaks of North America, Central America and northern South America.
The ring-cupped oaks of eastern and southeastern Asia. source
The ring-cupped oaks of eastern and southeastern Asia.
Oak wood has a density of about 0.75 g/cm3 (0.43 oz/cu in) creating great strength and hardness source
Oak wood has a density of about 0.75 g/cm3 (0.43 oz/cu in) creating great strength and hardness
French oaks (Quercus robur, Q. petraea) give the wine greater refinement. source
French oaks (Quercus robur, Q. petraea) give the wine greater refinement.
French oaks are chosen for the best wines since they increase the price compared to those aged in American oak wood. source
French oaks are chosen for the best wines since they increase the price compared to those aged in American oak wood.
American oak contributes greater texture and resistance to ageing, but produces more powerful wine bouquets. source
American oak contributes greater texture and resistance to ageing, but produces more powerful wine bouquets.
Oak wood chips are used for smoking fish, meat, cheeses, and other foods. source
Oak wood chips are used for smoking fish, meat, cheeses, and other foods.
