Back برقع (علم النبات) Arabic Opercle (botànica) Catalan Kalyptra German Opérculo (botánica) Spanish کلاهک (گیاهشناسی) Persian Tudungan (botani) ID Huikje (mossen) Dutch Czepek (botanika) Polish Caliptra Portuguese Калиптра Russian
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In botany, an operculum (pl.: opercula) or calyptra (from Ancient Greek καλύπτρα (kalúptra) 'veil') is a cap-like structure in some flowering plants, mosses, and fungi. It is a covering, hood or lid, describing a feature in plant morphology.
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