Xan`tho*rhi"za (?), n. [NL., fr. Gr.
xanqo`s yellow + "ri`za root.] (Bot.)
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.
Xan`tho*rhi"za (?), n. [NL., fr. Gr.
xanqo`s yellow + "ri`za root.] (Bot.)
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.