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An illustration of a large oak tree. Oaks have spirally arranged leaves, with a lobed margin in many species; some have serrated leaves or entire leaves with a smooth margin. The flowers are catkins, produced in spring. The fruit is a nut called an acorn, borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on species.


tree, Oak, koak, live oak


Harper's New Monthly Magazine (New York, NY: Harper & Brothers, 1871)


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