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in botany, term used to denote a plant that produces spores, as in algae, fungi, mosses, and ferns, but not seeds. The term cryptogam, from the Greek kryptos, meaning "hidden," and gamos,
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a plant having flowers. (Phanerogams include the gymnosperms.) Phanerogams are the opposite of crypotgams, which do not have flowers. Both concepts, which were proposed by C. Linnaeus, are antiquated.
A plant that produces seeds, for example, an angiosperm or gymnosperm.