Artemisia arbuscula

Artemisia arbuscula is a North American species of sagebrush known by the common names little sagebrush, low sagebrush, or black sagebrush. It is native to the western United States from Washington, Oregon, and California east as far as Colorado and Wyoming. It grows in open, exposed habitat on dry, sterile soils high in rock and clay content.[2][3][4]

Artemisia arbuscula
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Artemisia
Species:
A. arbuscula
Binomial name
Artemisia arbuscula
Synonyms[1]
  • Serphidium arbusculum (Nutt.) W.A.Weber
  • Artemisia longiloba (Osterh.) Beetle, syn of subsp. longiloba

Description

Artemisia arbuscula is a gray-green to gray shrub forming mounds generally no higher than 30 centimetres (12 in). Its many branches are covered in hairy leaves each less than a centimeter long. The inflorescence is a spike-shaped array of clusters of hairy flower heads. Each head contains a few pale yellow disc florets but no ray florets. The fruit is a tiny achene less than a millimeter wide.[2]

Subspecies[1][2]
  • Artemisia arbuscula subsp. arbuscula
  • Artemisia arbuscula subsp. longiloba (Osterh.) L.M.Shultz
  • Artemisia arbuscula subsp. thermopola Beetle - Idaho, Utah, Wyoming

References
  1. The Plant List Artemisia arbuscula Nutt.
  2. "Artemisia arbuscula in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-02-06.
  3. Biota of North America Program 2014 county distribution map
  4. Calflora taxon report, University of California, Artemisia arbuscula Nutt., Black sagebrush, low sagebrush


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