Biology:Artemisia arbuscula

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Short description: Species of flowering plant

Artemisia arbuscula
Artemisiaarbuscula.jpg
Scientific classification edit
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

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]

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

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

external link to gallformers thumb|left| Eutreta diana gall thumb|left| Rhopalomyia conica gall thumb| left| Rhopalomyia medusa gall

References

External links

Wikidata ☰ Q583176 entry