#calyx the sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing a developing bud; usually green supertype: sepal one of the green parts that form the calyx of a flower subtype: hull.calyx pappus part: sepal part of: perianth__floral_envelope collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamen and carpel part of: bloom__flower__blossom reproductive organ of angiosperm plants especially one having showy or colorful parts part of: angiosperm__flowering_plant__floweringplant plants having seeds in a closed ovary
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