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.Biota of North America Program 2014 county distribution mapCalflora taxon report, University of California, Artemisia arbuscula Nutt., Black sagebrush, low sagebrush
Description Artemisia arbuscula is a gray-green to gray shrub forming mounds generally no higher than . 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.
Subspecies Artemisia arbuscula subsp. arbuscula Artemisia arbuscula subsp. longiloba (Osterh.) L.M.Shultz Artemisia arbuscula subsp. thermopola Beetle - Idaho, Utah, Wyoming
Galls This species is host to the following insect induced galls: Eutreta diana (Osten Sacken, 1877) fly stem gall Rhopalomyia conica Rhopalomyia medusa Gagné, 1983 Sagebrush Medusa Gall Midge Rhopalomyia obovata Gagné, 1983
References
External links
United States Department of Agriculture National Forest Service Info Sheet Save The Sagebrush Sea Gallformers