Leavenworth's Eryngium - Eryngium leavenworthii

Carrot Family: Umbelliferae

  • Annual
  • 1 - 3 feet tall
  • Flowering Period: July - September
  • Stem - Erect, stout, glabrous, branched above. Purplish in coloration.
  • Leaves - Alternate, simple. The lower stem leaves broadly oblanceolate on short petioles, 1 to 2.5 inches long and up to .8 inch wide. The upper stem leaves are sessile, ovate to orbicular, and palmately pinnatifid into narrow, spiny segments. Purplish in coloration.
  • Inflorescence -Usually a few purple to reddish ovoid-oblong heads, 1 to 1.5 inches long and 1 inch thick, on short peduncles. Four to eight spiny-pinnatifid bracts, each around 1.5 inch long. Also four to eight conspicuous, spiny, pinnatifid bracelets 1 to 1.5 inch long projecting from the top of each head.
  • Flower - Purple, with bluish colored stamens.

KSU Library
Photos: Courtesy of S. P. Johnson