Canada's Plant Hardiness Site

Synonymy

Apocynaceae family
Asclepias hirtella (Pennell) Woodson
En: prairie milkweed, stiff-haired milkweed, tall green milkweed;
Fr: asclépiade hérissée

[=Acerates hirtella Pennell - basionym]
[=Asclepias longifolia Michx. var. hirtella (Pennell) J.Farmer & C.R.Bell]