Apocynum androsaemifolium (Fly-trap dogbane, Spreading dogbane) is a flowering plant. Milky sap appears on broken stems. Leaf margin is entire and leaf veination is alternate. Its leaves appear as pointed ovals, while
its flowers appear terminally on a stalk.

The plant is poisonous, and should not be confused with milkweed, which is edible. Compared to milkweed, dogbane has branching stems, hairs on the underside of the leaves, and no hair on the stems.