In botany, describing a flower part that is positioned opposite to or alternating with the sepals.
From 'anti-' (opposite or against) combined with 'sepal' (a modified leaf that forms the outer covering of a flower bud), plus the adjective suffix '-ous'.
Botanists use antisepalous to describe the mathematical precision hidden in flower architecture—when petals line up perfectly opposite the sepals, it's nature's way of maximizing how light hits each petal.
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