Canada's Plant Hardiness Site

Apocynaceae dogbane family
Asclepias tuberosa var. interior (Woodson) Shinners
En: butterfly milkweed, orange milkweed, butterflyweed, pleurisy root;
Fr: asclepiade de l'interieur

• [=Asclepias tuberosa L. subsp. terminalis Woodson]
• [=Asclepias tuberosa var. interior (Woodson) Shinners]