Erigeron inornatus explained

Erigeron inornatus is a North American species of flowering plant in the family Asteraceae known by the common name California rayless daisy, California rayless fleabane, rayless fleabane, Lava rayless fleabane

Erigeron inornatus is native to the western United States, primarily in the mountains of Oregon and California but with additional populations in Washington, Idaho, and Nevada.^{[1] [2]}

Erigeron inornatus is a perennial herb variable in appearance, up to 90 cm (3 feet) tall, with hairy or hairless foliage. The leaves extend all the way up the stem and are narrow and several centimeters long. Atop each branch of the stem is an inflorescence of 1-15 flower heads, each about a centimeter (0.4 inches) wide and flat-topped. Each head contains numerous golden yellow to wispy white disc florets but no ray florets.^[3]

Varieties^{[1] [3]}

• Erigeron inornatus var. inornatus - California, Nevada, Oregon, Idaho, Washington
• Erigeron inornatus var. calidipetris G.Nesom - California from Siskiyou Co to Plumas Co
• Erigeron inornatus var. keilii G.Nesom - California in Fresno Co + Tulare Co

External links

• Jepson Manual Treatment
• United States Department of Agriculture Plants Profile
• Calphotos Photo gallery, University of California

Notes and References

1. http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=3141 Calflora taxon report, University of California, Erigeron inornatus A. Gray California rayless daisy, California rayless fleabane, rayless fleabane
2. http://bonap.net/MapGallery/County/Erigeron%20inornatus.png Biota of North America Program 2014 county distribution map
3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066615 Flora of North America, Erigeron inornatus (A. Gray) A. Gray, 1880. Lava rayless fleabane