Definitions for oak apple

This page provides all possible meanings and translations of the word oak apple

Random House Webster's College Dictionary

oak′ ap`ple(n.)

  1. any of various rounded galls produced on oaks. Also called oak′ gall`.

    Category: Plant Pathology

Origin of oak apple:

1400–50

Princeton's WordNet

  1. oak apple(noun)

    oak gall caused by larvae of a cynipid wasp

Wiktionary

  1. oak apple(Noun)

    Oak gall.

Freebase

  1. Oak apple

    Oak apple is the common name for a large, round, vaguely apple-like gall commonly found on many species of oak. Oak apples range in size from 2–5 cm in diameter and are caused by chemicals injected by the larva of certain kinds of gall wasp in the family Cynipidae. The adult female wasp lays single eggs in developing leaf buds. The wasp larvae feed on the gall tissue resulting from their secretions. Considerable confusion exists in the general 'literature' between the oak apple and the oak marble gall. The oak marble is frequently called the oak apple due to the superficial resemblance and the preponderance of the oak marble gall in the wild. Other galls found on oak trees include the Oak artichoke gall and the Acorn cup gall, but each of these has its own distinctive form. Some common oak-apple-forming species are the Biorhiza pallida gall wasp in Europe; Amphibolips confluenta in eastern North America,; and Atrusca bella in western North America. Oak apples may be brownish, yellowish, greenish, pinkish or reddish.

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