corolla

corōlla ae, f

a little crown or garland, Ct., Tb.

corolla
cŏrolla, ae, f. dim. [corona], a little crown or garland (mostly poet.), Plaut. Bacch. 1, 1, 37...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Corolla
·noun The inner envelope of a flower; the part which surrounds the organs of fructification, consist...

Webster's Dictionary of the English Language