Apocynum androsaemifolium (Spreading Dogbane)

Order Gentianales, Family Apiaceae, Genus Apocynum

This has to be one of my favorite Latin names, along with Gorilla gorilla and Bitis gabonica. Dogbane is related to the Milkweeds, Asclepiadaceae. For more information please see these links: Wikipedia and Southwest Colorado Wildflowers.