Taxon: Asclepias subverticillata (A. Gray) Vail

 
Genus: Asclepias
Family: Apocynaceae
  Subfamily: Asclepiadoideae
      Tribe: Asclepiadeae
        Subtribe: Asclepiadinae
Nomen number: 316575
Place of publication: Bull. Torrey Bot. Club 25:178. 1898
Name Verified on: 05-Jul-2011 by ARS Systematic Botanists. Last Changed: 05-Jul-2011
Species priority site is: Western Regional PI Station (W6)
Accessions: 3 in National Plant Germplasm System (GoogleMap)

Common names:

  • horsetail milkweed  (Source: L New Mex) - English
  • poison milkweed  (Source: F New Mex) - English
  • whorled milkweed  (Source: Intermt F) - English

Economic Importance:

  • Vertebrate poisons: mammals (fide Kingsbury)

Distributional Range:

    Native:

  • Northern America

    • North-Central U.S.A.: United States - Kansas, - Missouri, - North Dakota, - Oklahoma, - South Dakota
    • Northern Mexico: Mexico - Chihuahua, - Coahuila, - Durango, - Nuevo Leon, - San Luis Potosi, - Zacatecas
    • Northwestern U.S.A.: United States - Colorado, - Idaho, - Wyoming
    • South-Central U.S.A.: United States - New Mexico, - Texas
    • Southwestern U.S.A.: United States - Arizona, - Nevada, - Utah

References:

  • Allred, Kelly W. Flora Neomexicana I: The vascular plants of New Mexico, an annotated checklist to the names of vascular plants with synonymy and bibliography. 2008 (L New Mex)
  • Correll, D. S. & M. C. Johnston Manual of the vascular plants of Texas. 1970 (F Tex)
  • Cronquist, A. et al. Intermountain flora. 1972- (Intermt F)
  • 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. 1964 (Kingsbury)
  • Martin, W. C. & C. R. Hutchins A flora of New Mexico. 1980 (F New Mex)
  • McGregor, R. L. et al. (The Great Plains Flora Association) Flora of the Great Plains. 1986 (F GPlains)
  • Shreve, F. & I. L. Wiggins Vegetation and flora of the Sonoran desert. 1964 (F SonorDes)

Synonyms:

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