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Plant Pathology. a nonparasitic disease of plants, as of potatoes and various trees, in which internal plant tissues blacken, usually as a result of extremes in temperature.

a heart cherry having a dark skin.
the tree bearing this fruit.

Historical Examples

Carolyn of the Corners Ruth Belmore Endicott

an abnormal darkening of the woody stems of some plants, thought to be caused by extreme cold
any of various diseases of plants, such as the potato, in which the central tissues are blackened
a variety of cherry that has large sweet fruit with purplish flesh and an almost black skin


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