Xylorhiza
| woodyasters | |
|---|---|
 | |
| Xylorhiza tortifolia | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae[1] |
| Genus: | Xylorhiza Nutt. |
| Synonyms[1] | |
|
Machaeranthera sect. Xylorhiza (Nutt.) Cronquist & D.D. Keck | |
Xylorhiza is a genus of flowering plants in the sunflower family, are known as woodyasters.[2][3] 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.[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
References
- ↑ 1.0 1.1 1.2 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.
- ↑ Flora of North America Vol. 20 Page 406
- ↑ Biota of North America Program 2013 county distribution maps