sepal

One of the usually green leaflike structures composing the outermost part of a flower. Sepals often enclose and protect the bud and may remain after the fruit forms.

In botany, a calyx-leaf; one of the individual leaves or parts that make up the calyx, or outer circle of floral envelops. See calyx, cut in preceding column, and cuts under antisepalous and dimerous.

A leaf or division of the calyx.

One of the component parts of the calyx, when this consists of separate (not fused) parts.

one of the green parts that form the calyx of a flower