Xanthorhiza

Xan`tho·rhi'za noun [ New Latin , from Greek xanqo`s yellow + 'ri`za root.] (Botany) 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 intensel...
Found on http://www.encyclo.co.uk/webster/X/1

xanthorhiza

<botany> A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow colour; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic. ... Origin: Gr. Xanqos = yellow, riza = root. ... (09 Mar 1998) ...
Found on http://www.encyclo.co.uk/local/20973

Xanthorhiza

• (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/xanthorhiza/

Xanthorhiza

Xanthorhiza simplicissima (yellowroot) is the only member of the genus Xanthorhiza, and one of very few genera in the family Ranunculaceae with a woody stem (the other notable example being Clematis). It is native to the eastern United States from Maine south to northern Florida and west to Ohio and eastern Texas. It contains the alkaloid berberin...
Found on http://en.wikipedia.org/wiki/Xanthorhiza
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