| Xylorhiza | |
|---|---|
| |
| Xylorhiza tortifolia | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Astereae |
| Subtribe: | Machaerantherinae |
| Genus: | Xylorhiza Nutt. |
| Synonyms | |
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Xylorhiza is a genus of flowering plants in the family Asteraceae, known as woodyasters. 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.
Species
- 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 panamintensis - Death Valley National Park
- 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
References
- ^ Flann, C (ed) 2009+ Global Compositae Checklist
- Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 297–298 in English
- Tropicos, Xylorhiza Nutt.
- Nesom, G.L. (2006). "Xylorhiza". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford: Oxford University Press. Retrieved 17 January 2023 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- Biota of North America Program 2013 county distribution maps
External links
- USDA Plants Profile for Xylorhiza (woodyasters)
- Calflfora Database: Xylorhiza species in California — images + info links.
- Jepson Manual eFlora (TJM2) treatment of Xylorhiza
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