Word Study
xanthorhiza
CIDE DICTIONARY
xanthorhiza, n. [NL., fr. Gr. xanqo`s yellow + "ri`za root.].
A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia , which has roots of a deep yellow color; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic. [1913 Webster]
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