Erysimum arenicola

Erysimum arenicola, the Cascade wallflower, is a plant species native to British Columbia, Washington and Oregon. It is found at high elevations from 900 to 2200 m in the Cascade and Olympic Mountains as well as on Vancouver Island.[2]

Cascade wallflower
Erysimum arenicola blooms in ridge-top meadows (pictured) and rocky and gravelly ridges and outcrops from 900 to 2200 m elevation.[1][2]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Erysimum
Species:
E. arenicola
Binomial name
Erysimum arenicola
Synonyms[3]
  • Cheiranthus arenicola (S. Watson) Greene
  • Erysimum arenicola var. torulosum (Piper) C.L. Hitchc.
  • Erysimum torulosum Piper

Erysimum arenicola is a perennial herb up to 30 cm tall. Leaves are narrow, up to 8 cm long. Flowers are yellow, borne in a raceme. Fruits are narrow and elongated, up to 10 cm long, straight or twisted, strongly torulose (= much narrower in between seeds). [2][4][5][6]

References
  1. Sullivan, Steven. K. (2013). "Erysimum arenicola". Wildflower Search. Retrieved July 19, 2014.
  2. Flora of North America v 7 p 536.
  3. Tropicos
  4. Watson, Sereno. 1891. Proceedings of the American Academy of Arts and Sciences 26: 124
  5. photo of isotype of Erysimum arenicola at Missouri Botanical Garden
  6. Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1984. Salicaceae to Saxifragaceae. Part II: 1–597. In C. L. Hitchcock Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
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