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English Oak

Quercus robur

Plant Data

Order:
Fagales
Family:
Fagaceae (Beech)
Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Flowers:
Male and female catkins are borne on the same trees. Male catkins are longer than female, both are yellowish-green.
Fruit:
Acorns (see images). The acorns grow up to 2.5cm long in size. Their stalks grow up to 2 inches long and are probably the best way to distinguish this tree from Sessile Oak. Sessile Oak acorns are not stalked. Each acorn sits inside a cup on the end of a long stalk.
Leaves:
A deciduous, long-lived tree with unstalked, dark green, lobed leaves. The very similar-looking Sessile Oak has stalked leaves. The leaves of the English Oak turn yellow in autumn.
Maximum Size:
40 meters tall.
Foraging Notes:
The acorns can be eaten once they turn brown but they much be treated first by leaching the tannin's out. The tannic acid can be toxic to humans if consumed in large quantities so caution is advised.
Never consume a wild plant unless you are 100% certain that it is safe to eat and you know that you have identified it correctly.
Other Names:
Common Oak, European Oak, French Oak, Pedunculate Oak, Royal Oak, Truffle Oak, War Memorial Oak.
Habitats:
Farmland, hedgerows, parkland, woodland.