umbrella leaf 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.
a perennial plant (Diphylleia cymosa) of the barberry family, native to the S Appalachians and having one or two lobed, peltate leaves and a cyme of white flowers
umbrella leaf definition by American Heritage Dictionary
A perennial herb (Diphylleia cymosa) of the southeast United States, having a broad, peltate basal leaf, a terminal cluster of white flowers, and small blue berries.