Genus Asclepias, also known as milkweeds, is a group of plants that belongs to the family Apocynaceae. There are around 140 species of milkweed plants and many of them are native to North America. Some common synonyms for the Genus Asclepias include butterfly flower, silkweed, and swan plant. These plants are known for their distinctive flowers and for their importance as a host plant for monarch butterflies. In addition, they have been used in traditional medicine for their medicinal properties. Overall, the Genus Asclepias is an important and diverse group of plants that play a critical role in the ecosystem.