Cynancum dicot-genus, also known as swallowwort, is a flowering plant belonging to the family Apocynaceae. This article will explore synonyms for this unique genus. One alternative name for cynancum dicot-genus is Vincetoxicum, derived from its twining and toxic properties. Additionally, it is sometimes called Lady's seal due to the seal-like impression on the seed pods. Swallowwort is recognized for its invasive nature and ability to displace native plants, leading to its label as devil's twine. Despite its negative connotations, cynancum dicot-genus showcases intricate white or pink flowers, earning the colloquial name of milkweed. In essence, this article highlights a range of synonyms for cynancum dicot-genus, encompassing its physical attributes and ecological impact.