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  • Asclepias obtusifolia Michx.

This is a synonym of

Asclepias amplexicaulis Sm.

Asclepias obtusifolia Michx. appears in other Kew resources:

First published in Fl. Bor.-Amer. 1: 115 (1803)

Not accepted by

  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne. [Cited as ? [ 7].]
  • Woodson, R.E. (1954). The North American species of Asclepias L. Annals of the Missouri Botanical Garden 41: 1-211. [Cited as Asclepias amplexicaulis.]

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0