Name: Sessile Oak (Common Oak)

Scientific name: Quercus petraea

Irish name: Dair ghaelach

Provenance: Native

Family: Fagaceae

Leaf/Needle: Deciduous leaf/Simple leaf

Height: 40 meters

Size: Large

Flowering: May

Pollination: Wind

Seed dispersal: Mammals and birds

Value to wildlife: High

Timber use: Flooring, beams, barrels, firewood, furniture.

Mythology: Oak was one of the more sacred trees to the druids

Ogham Alphabet:
Ogham letter Dair (oak) D
7th consonant of the Ogham alphabet
9th month of the Ogham tree calendar

Classification in early Irish law:
Airig fedo (Nobles of the wood)
Penalty for cutting one down, two and a half milk cows!
The sessile oak is the national tree of Ireland