Dictionary
vanil'la plant"
a composite plant,
Trilisa odoratissima (or
Carphephorus odoratissimus), of the southeastern U.S., having purplish flower heads and vanilla-scented leaves used to flavor tobacco. Also called
vanil'la leaf", wild vanilla. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.