corolla

[kuh-rol-uh] Origin

co·rol·la

[kuh-rol-uh]
noun Botany.
the inner envelope of floral leaves of a flower, usually of delicate texture and of some color other than green; the petals considered collectively.

Origin:
1665–75; < Latin: little garland, equivalent to corōn(a) garland, corona + -la diminutive suffix; see -ule
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Corolla is always a great word to know.
So is chlorophyll. Does it mean:
green coloring of leaves and plants needed for photosynthesis
variation in an organism's life cycle of dissimilar reproductive forms
Collins
World English Dictionary
corolla (kəˈrɒlə)
 
n
Compare calyx the petals of a flower collectively, forming an inner floral envelope
 
[C17 dim. of L corōna crown]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

corolla
1670s, from L. corolla, dim of corona "crown, garland" (see crown). Botanical use is from 1753.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
corolla   (kə-rŏl'ə, kə-rō'lə)  Pronunciation Key 
The petals of a flower considered as a group or unit. See more at flower.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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