Xylorhiza (plant) explained

Xylorhiza is a genus of flowering plants in the family Asteraceae, known as woodyasters.^{[1] [2]} These are daisylike wildflowers usually having blue to purple or white ray flowers with yellow centers of disc florets. Woodyasters are native to western North America.^[3]

Species^[4]

• Xylorhiza cognata - Mecca woodyaster - California (Imperial + Riverside Counties)
• Xylorhiza confertifolia - Henrieville woodyaster - Utah (Kane, Wayne, + Garfield Counties)
• Xylorhiza cronquistii - Cronquist's woodyaster - Utah (Kane + Garfield Counties)
• Xylorhiza frutescens - Baja California
• Xylorhiza glabriuscula - smooth woodyaster - Wyoming, Utah (Daggett County), Colorado (Routt + Moffat Counties), Montana (Carbon County), South Dakota (Harding, Butte, Fall River Counties)
• Xylorhiza orcuttii - Orcutt's aster - California (Imperial + San Diego Counties)
• Xylorhiza tortifolia - Mojave woodyaster - California, Nevada, Utah, Arizona
• Xylorhiza venusta - charming woodyaster - Utah, Colorado, New Mexico (Colfax County)
• Xylorhiza wrightii - Big Bend woodyaster - western Texas, Chihuahua

External links

• USDA Plants Profile for Xylorhiza (woodyasters)
• Calflfora Database: Xylorhiza species in California — images + info links.
• Jepson Manual eFlora (TJM2) treatment of Xylorhiza

Notes and References

1. https://www.biodiversitylibrary.org/page/36318018#page/319/mode/1up Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 297–298
2. http://www.tropicos.org/Name/40027700 Tropicos, Xylorhiza Nutt.
3. 20. 2006. Nesom . G.L. . Guy L. Nesom. en. 17 January 2023.
4. http://bonap.net/NAPA/TaxonMaps/Genus/County/Xylorhiza Biota of North America Program 2013 county distribution maps