death camass

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death camas

also death camass
Any of several plants of the genus Zigadenus, primarily of North America, having grasslike leaves and clusters of usually greenish-white flowers. All parts of the plant are poisonous.
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.

death′ cam`ass

1. a North American plant of the genus Zigadenus, of the lily family, having narrow leaves and clusters of flowers.
2. the root of this plant, poisonous to animals.
[1885–90, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.