Petal vs. Corolla — What's the Difference?

Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators.

The petals of a flower considered as a group or unit and usually of a color other than green; the inner whorl of the perianth.

One of the often brightly colored parts of a flower immediately surrounding the reproductive organs; a division of the corolla.

(botany) An outermost-but-one whorl of a flower, composed of petals, when it is not the same in appearance as the outermost whorl (the calyx); it usually comprises the petal, which may be fused.

(botany) One of the component parts of the corolla of a flower. It applies particularly, but not necessarily only, when the corolla consists of separate parts, that is when the petals are not connately fused. Petals are often brightly colored.

The inner envelope of a flower; the part which surrounds the organs of fructification, consisting of one or more leaves, called petals. It is usually distinguished from the calyx by the fineness of its texture and the gayness of its colors. See the Note under Blossom.

Term of endearment.

(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth;

A lobe of a rose (geometric shape). Category:en:Curves

To spread out from, like the petals of a flower

One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.

One of the expanded ambulacra which form a rosette on the black of certain Echini.

Part of the perianth that is usually brightly colored