boltonia[bōl tō′nē ə]
boltonia definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a genus (Boltonia) of perennial American plants of the composite family with white or purplish asterlike heads
Origin: Modern Latin after J. Bolton, 18th-c. Eng naturalist
boltonia definition by American Heritage Dictionary
Any of several perennial herbs of the genus Boltonia in the composite family, having flower heads with white to purplish rays and yellow centers.
Origin: New Latin, genus name, after James Bolton, 18th-century British botanist.