Asclepias quadrifolia, commonly called four-leaved milkweed or fourleaf milkweed, is a species of milkweed in the Apocynaceae family. It is sometimes referred to as whorled milkweed, but it should not

Caterpillars are the larval stage of members of the order Lepidoptera. In common speech, any caterpillar-shaped insect larva such as of a sawfly is often called a caterpillar.