A dioecious shrub (Piper methysticum) native to the Pacific islands, having cordate leaves and minute flowers clustered in solitary spikes.
A dietary supplement derived from the roots of this plant, used as a sedative.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.