Phaseolus Caracalla, commonly referred to as the snail vine, is a beautiful flowering plant that is known for its coiled petals that resemble snail shells. It is native to Central and South America and is grown as an ornamental plant worldwide. Some of the synonyms for Phaseolus Caracalla include Sigmoidotropis Caracalla, Snail bean, Corkscrew vine, and Vigna Caracalla. These names describe the plant's unique characteristics, such as the snail-like flowers, the bean-like pods that it produces, and the twisted vines that grow from its stem. Regardless of its name, this plant is a stunning addition to any garden and is sure to turn heads with its distinctive appearance.