co·rol·la (kə-rŏl'ə, -rō'lə) n. 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.
[Latin corōlla, small garland, diminutive of corōna, garland; see corona.] co·rol'late' (-rŏl'āt') adj.