fly-poison

fly-poi·son

(flī′poi′zən)
n.
A poisonous lilylike plant (Amianthium muscaetoxicum) of the eastern United States, having narrow basal leaves and a terminal raceme of small white or greenish flowers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.