Quercus vulcanica is a species of flowering plant in the Fagaceae family.

[2] It is referred to by the common name Kasnak oak, and is a rare species of tree native to Lebanon, Syria, and Turkey.

[5] Quercus vulcanica is highly valued in its native region as a source of lumber and also as an ornamental.

It is a large tree up to 33 metres (108 feet) tall, with a trunk sometimes attaining 150 centimetres (59 inches) in diameter.

The leaves are up to 16 cm (6+1⁄4 in) long, egg-shaped with deep lobes, green on the top but yellow-green on the underside.