Chrysothamnus

Chrysothamnus, known as rabbitbrush, rabbitbush, and chamisa, are shrubs in the sunflower family.[2][3][4] The native distribution is in the arid western United States, Canada, and northern Mexico. It is known for its bright white or yellow flowers in late summer.[1]

For other species of rabbitbrush, see Ericameria and Lorandersonia.

Chrysothamnus
Chrysothamnus viscidiflorus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Chrysothamnus
Nutt.
Synonyms[1]
  • Vanclevea Greene

Chrysothamnus may grow up to a 120 cm (47 in) tall shrub or subshrub, usually with woody stem bases.[1] The leaves are alternate, sessile or with short petioles, with entire edges. The flowerheads are singular or in clusters. Each composite flower often has five to 6 (though sometimes upwards of 40) yellow disc florets and no ray florets.[1]

Chrysothamnus species are used as food plants by the larvae of some Lepidoptera species including Coleophora linosyridella, Coleophora viscidiflorella (which have both been recorded on C. viscidiflorus) and Schinia walsinghami.

Species[5][6]

References
  1. Flora of North America, Rabbitbrush, Chrysothamnus Nuttall, Transactions of the American Philosophical Society, new series 7: 323. 1840.
  2. Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 323–324. in English
  3. Tropicos, Chrysothamnus Nutt.
  4. USDA Plants Profile for Chrysothamnus (rabbitbrush)
  5. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-14 at Archive.today
  6. Biota of North America Program 2013 county distribution maps
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