Taxon: Asclepias speciosa Torr.

Genus: Asclepias
Family: Apocynaceae
Subfamily: Asclepiadoideae
Tribe: Asclepiadeae
Subtribe: Asclepiadinae
Nomen number: 316574
Place of publication: Ann. Lyceum Nat. Hist. New York 2:218. 1827 (Acct. pl. Rocky Mts.)
Link to protologue:
Name Verified on: 05-Jul-2011 by ARS Systematic Botanists. Last Changed: 21-Sep-2017
Species priority site is: Ornamental Plant Germplasm Center (OPGC)
Accessions: 23 in National Plant Germplasm System (GoogleMap)

Common names:

Economic Importance:

  • Materials: potential as fiber (fide Zeller & Knudsen 1996)
  • Vertebrate poisons: mammals (fide Kingsbury)
  • Weed: potential seed contaminant (fide Intermt F)

Distributional Range:


  • Northern America

    • North-Central U.S.A.: United States Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin
    • Northeastern U.S.A.: United States Michigan, Ohio
    • Northwestern U.S.A.: United States Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    • South-Central U.S.A.: United States New Mexico, Texas
    • Southwestern U.S.A.: United States Arizona, California, Nevada, Utah
    • Western Canada: Canada Alberta, British Columbia, Manitoba, Saskatchewan


  • Aldén, B., S. Ryman, & M. Hjertson Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource on 2012 (Kulturvaxtdatabas)
  • Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
  • Cronquist, A. et al. Intermountain flora. (Intermt F)
  • Erhardt, W. et al. Der große Zander: Enzyklopädie der Pflanzennamen. 2008 (Zander Ency)
  • Food and Agriculture Organization of the United Nations (FAO) 2010. Ecocrop (on-line resource). (Ecocrop)
  • Kartesz, J. T. North American plant atlas. The Biota of North America Program (BONAP). 2011 (NAmer Pl Atlas)
  • Kingsbury, J. M. Poisonous plants of the United States and Canada. (Kingsbury)
  • Martin, W. C. & C. R. Hutchins A flora of New Mexico. (F New Mex)
  • McGregor, R. L. et al. (The Great Plains Flora Association) Flora of the Great Plains. (F GPlains)
  • Munro, D. B. Canadian poisonous plants information system (on-line resource). (Can Poison Pl)
  • Scoggan, H. J. The flora of Canada, 4 vol. (F Canada)
  • Welsh, S. L. et al. A Utah flora. Great Basin Naturalist Mem. 9. (F Utah)
  • Zeller, R. D. & H. D. Knudsen 1996. Commercial production of milkweed pods: an alternative business. In: Proceedings of the Ninth International Conference on Jojoba & the Third International Conference on New Industrial Crops 398-402.

Check other web resources for Asclepias speciosa Torr. :


  • Seed: U.S. National Seed Herbarium image