Taxonomy
Quercus petraea | Sessile Oak | Dair ghaelach
Distribution
Status
Conservation status
Not protected
Native status
Native
Species Biology
Identification
Flowers: May; catkins and flowers
Fruits: Acorns borne on stalks <2cm
long
Twigs & bark: Twigs grey; bark grey and fissured when mature
Habitat
Woodland and hedges, prefers acidic soils.
Life cycle
Perennial
Ex-situ conservation
Not known
Use
Forest crop
Vegetative nature
Woody
Distribution
World distribution(GBIF)
Irish distribution
Very frequent, especially on poorer soils
Temporal change
Records submitted to Data Centre in 2025
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Further information
Can grow over 40 m high, over 3m in diameter and often reach an age of 300 years old. Forest crop used in boat and ship building, furniture, joinery and as veneer and plywood. Often hybridises with Q. robur resulting in trees with intermediate characteristics