Erysimum asperum (Nutt.) DC.

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Erysimum asperum (Nutt.) DC.

  • Description

    Species Description - Erect biennial or short-lived perennial, 2–10 dm; lvs linear to oblanceolate, entire or with a few low teeth; sep 1 cm; pet bright yellow to orange-yellow, 1.5–2.5 cm, the blade half as long as the claw; mature racemes much-elongate, with stout, divergent pedicels 7–15 mm; frs ± spreading, 4–10 cm; 2n=36. Prairies, sand-hills, and open woods; O. to Minn. and Mo., and widespread in w. U.S., rarely adventive farther e. along railroads. May, June. (Cheirinia a.; Erysimum arkansanum) Our plants, representing the Great Plains phase of the sp., are var. asperum.

  • Common Names

    western wallflower