Field photograph of Sullivant’s Milkweed (Asclepias sullivantii). Sullivant’s Milkweed with broad upswept leaves around a pink flower cluster in a sunny prairie. Photograph by Brian Woolman for Where’s Wildlife. Original image: Sullivants-Milkweed-Asclepias-sullivantii-6.27.26-DSCN5717.jpg.