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A deciduous tree (Quercus spp.) that provides material in its leaves and bark to produce many forms of herbal nostrums. Used as an astringent, a therapeutic remedy for skin disorders (approved for use for this purpose in Germany), and countless other unconfirmed purposes. Because of high levels of tannic acid, it has caused death, respiratory failure, and hepatotoxicity.


n Latin names:
Quercus robur, Quercus petraea, Quercus alba; parts used: bark, gall; uses: antiinflammatory, astringent, varicose veins, smoking cessation, hemorrhoids, gargle, skin conditions; precautions: pregnancy, lactation, children. Also called
British oak, brown oak, common oak, cortex quercus, ecorce de chene, eichenlohe, eicherinde, encina, English oak, gravelier, nutgall, oak apples, oak bark, oak galls, stone oak, or
tanner's bark.


see quercus.

oak buds
see acorn.
References in periodicals archive ?
If you drive south on State Route 102 from East Prairie, across the table-flat farmlands of Mississippi County, it's easy to pick out the boundaries of Big Oak Tree State Park.
The oak tree is the most important and populous tree species in western Iran especially in the Zagros region.
County Councillor Keith Kondakor (Green, Weddington) said: "e two temporary haulage roads will give access to the site for between two and seven years while the houses are built, but the loss of the oak tree is permanent.
Oak Tree also features an Olympic-size swimming pool and children's wading pool.
Middleton Colts won 2-1 after extra time despite Oak Tree taking an early second half lead.
CHARACTER The smart kitchen within Oak Tree Lodge, left
Following a recent extension to the entrance of their building the oak tree was blocking light coming into the school.
They counted how many times the birds carried acorns from an oak tree to a hiding place.
Our current intention is to stage the 2009 Breeders' Cup World Championships at Santa Anita during the Oak Tree meeting," the statement said.
Some recent housing developments where large old oak trees have been preserved because of Simi Valley's oak tree preservation laws include the Hidden Oaks Development west of the Santa Susana Knolls area and the Big Sky development in the hills north of Erringer Road.
According to legend, a local witch was either hanged from an earlier oak tree or buried beneath the tree known as Sally's Oak with a stake through her heart.
However, there was a shock in store for the favourites when a break upfield by Oak Tree resulted in Gary Clark firing them into an early lead.

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