Of or realting to the reproductive part of a flowering plant. The flower facilitates the unification of sperm and eggs. Also, flowers are used by humans as decoration, romance, ritual, religion, medicine, and food source.
A set of cells or cell parts which surround the opening of a moss sporangium. In many mosses, they are sensitive to humidity, and will alter their shape to aid in spore dispersal.
One of the outer appendages of a flower, located between the outer sepals and the stamens. Petals often display bright colors that serve to attract pollinators.
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