n large genus of shrubs of temperate zones of New and Old Worlds
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widespread in north temperate zone
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A genus of deciduous forest trees, found in the north temperate zone, and including the true ash trees.
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A winter bud, in which the rudimentary foliage or flower, as of most trees and shrubs in the temperate zone, is protected by closely overlapping scales. n
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The tree itself, which was brought from Constantinople in the beginning of the sixteenth century, and is now common in the temperate zones of both hemispheres