The species name, cordifolia (Latin for 'heart-leaved'), refers to the heart-shaped leaves, while the genus name honors the Greek physician Asclepius.
They feed on the nectar of various flowers, including Salvia columbariae, Asclepias cordifolia, Ribes aureum, Dichelostemma capitatum, Clarkia, Vicia, Cirsium and Stachys species.
Asclepias cordifolia, native to the West Coast of the United States, and usually called the heartleaf milkweed
Asclepias | Asclepias cordifolia | Anredera cordifolia | Asclepias solanoana |