| Xylorhiza | |
|---|---|
| Xylorhiza tortifolia | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Genus: | Xylorhiza Nutt. |
| Species | |
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8 - See text. |
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Xylorhiza is a genus of flowering plants in the daisy family which are 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: