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(), n.[Pref. peri- + Gr. productive organs.] 1. (Bot.) (a) Any organ inclosing the essential organs of a flower; a perianth. (b) In mosses, the involucral bracts of a male flower. 2. (Zol.) A sac which surrounds the generative bodies in the gonophore of a hydroid. スポンサード リンク
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