Oak galls are excrescences that are sometimes produced in great numbers on the tree and are caused by the activity of the larvae of different insects. The insects live inside these galls, obtaining their nutrient therein. When the insect pupates and leaves, the gall can be used as a rich source of tannin, that can also be used as a dyestuff. The acorn meal has been used to mend cracks in clay pots.Wood - heavy, very hard, strong, close grained. Of no commercial value because the trunks are never tall or clear, it is used mainly as a fuel.
A decoction of the inner bark has been used in the treatment of arthritis.Any galls produced on the tree are strongly astringent and can be used in the treatment of haemorrhages, chronic diarrhoea, dysentery etc.
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Prefers warmer summers than are usually experienced in Britain, but this tree is perfectly hardy though slow growing in this country. The tree flowers on new growth produced in spring, the seed taking two summers to ripen. Closely related to Q. agrifolia. Intolerant of root disturbance, trees should be planted in their permanent positions whilst young. Hybridizes freely with other members of the genus.Plants in this genus are notably resistant to honey fungus.
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
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