Quercus ithaburensis

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Quercus ithaburensis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Section: Cerris
Species: Q. ithaburensis
Binomial name
Quercus ithaburensis

Quercus aegilops var. ithaburensis
Quercus aegilops subs. ithaburensis
Quercus macrolepis subsp. ithaburensis
Quercus aegilops sensu Willd.

Quercus ithaburensis, Mount Thabor's oak, is a tree in the family Fagaceae.

It is found in Southeastern Europe, from Southeastern Italy across Southern Albania to Greece, and in Southwestern Asia from Turkey South through Lebanon, Israel, and neighboring Jordan.

It is a small to medium sized semi-evergreen to tardily deciduous tree growing to a maximum height of around 50 feet (15 m) with a rounded crown and often with a gnarled trunk and branches. The leaves are 1.6-3.5 in (4-9 cm) long and 0.8-2.0 in (2-5 cm) wide, oval in shape, with 7 to 10 pairs of either teeth (most common) or shallow lobes (rare) along a revolute margin. They are dark glossy green above and gray tomentose below.

The male flowers are light green 2 in (5 cm) long catkins while the female flowers are small (less than 1/10 in (0.4 mm)), produced in 3's on short stalks called peduncles and are wind pollinated. Flowering occurs from March through April in most of its native range. The acorns are generally oval, up to 2 in (5 cm) long and 1.2 in (3 cm) wide with a cap covering roughly 1/3 of the acorn, maturing in 18 months, dropping from the tree in the 2nd fall after pollination. The cap is covered in long stiff loose scales which are rolled backwards or involute especially along the edges of the cap.