Xylorhiza

For the genus of beetles, see Xylorhiza (beetles).
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]

Species[1][5]
  1. Xylorhiza cognata - Mecca woodyaster - California (Imperial + Riverside Counties)
  2. Xylorhiza confertifolia - Henrieville woodyaster - Utah (Kane, Wayne, + Garfield Counties)
  3. Xylorhiza cronquistii - Cronquist's woodyaster - Utah (Kane + Garfield Counties)
  4. Xylorhiza frutescens - Baja California
  5. Xylorhiza glabriuscula - smooth woodyaster - Wyoming, Utah (Daggett County), Colorado (Routt + Moffat Counties), Montana (Carbon County), South Dakota (Harding, Butte, Fall River Counties)
  6. Xylorhiza orcuttii - Orcutt's aster - California (Imperial + San Diego Counties)
  7. Xylorhiza tortifolia - Mojave woodyaster - California, Nevada, Utah, Arizona
  8. Xylorhiza venusta - charming woodyaster - Utah, Colorado, New Mexico (Colfax County)
  9. Xylorhiza wrightii - Big Bend woodyaster - western Texas, Chihuahua

References

  1. 1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist
  2. ↑ Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 297–298 in English
  3. ↑ Tropicos, Xylorhiza Nutt.
  4. ↑ Flora of North America Vol. 20 Page 406
  5. ↑ Biota of North America Program 2013 county distribution maps

External links


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