Xylorhiza (plant)
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.
SpeciesXylorhiza cognata - Mecca woodyaster - California Xylorhiza confertifolia - Henrieville woodyaster - Utah Xylorhiza cronquistii - Cronquist's woodyaster - Utah Xylorhiza frutescens - Baja CaliforniaXylorhiza glabriuscula - smooth woodyaster - Wyoming, Utah, Colorado, Montana, South Dakota Xylorhiza orcuttii - Orcutt's aster - California Xylorhiza panamintensis - Death Valley National ParkXylorhiza tortifolia - Mojave woodyaster - California, Nevada, Utah, ArizonaXylorhiza venusta - charming woodyaster - Utah, Colorado, New Mexico Xylorhiza wrightii - Big Bend woodyaster - western Texas, Chihuahua