Nomenclature

Xanthorhiza Marshall, Arbust. Amer. 167. 1785 (also spelled “Zanthorhiza”). TYPE: Xanthorhiza simplicissima.

Key to the species of Xanthorhiza

List of Xanthorhiza Species

References to Xanthorhiza

• Britton, Nathaniel L. 1929 . The shrub yellow-root. J. New York Bot. Gard. 30(359): 265.
• Nooney, J. 1994 . A very valuable shrub: Xanthorhiza simplicissima. Arnoldia (Jamaica Plain) 54: 31-5.
• Pawling, K. 2011 . Propagating shrub yellowroot (Xanthorhiza simplicissima Marsh.). Native Plants J. 12: 37-40.
• Sprague, T. A. 1929 . The botanical name of shrub yellow-root. Kew Bull. 1929: 235-6.
• Woodhouse, J. 1808 . Account of a new, pleasant, and strong bitter, and yellow dye, prepared from the stem and root of the Xanthorhiza tinctoria, or shrub yellow root; with a chemical analysis of the vegetable. Amer. J. Pharm. 58: 161-2.