Asclepias verticillata
≈ 30 semences
By Photo by David J. Stang - source: David Stang. First published at ZipcodeZoo.com, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=61037612
By Mark Fickett - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=27914681
By Joshua Mayer (wackybadger) - flickr image 9388551493 - Whorled Milkweed (Asclepias verticillata), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=28823736
