A small, leaf-like structure that grows just below or outside the main calyx (the green leafy part) of a flower.
From French 'calycule,' diminutive of Latin 'calyx' (cup or chalice), with the diminutive suffix indicating it's a small or secondary version of the calyx.
Botanists use 'calycle' to describe those tiny extra sepals that sometimes form a second protective layer under the main flower—it's like nature designed a backup case for its precious flower bud.
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