A natural variation in the species of P. volubilis features distinctly larger flower clusters and more pronounced leaves. The purple flower clusters form an impressive large raceme, adorned with lighter purple highlights that enhance their visual appeal. This variety tends to bloom in flushes, as the persistent sepals gradually age to an interesting greenish pewter color over time. It thrives best in full sun conditions and has a strong preference for warm, sunny climates. Native to Central America, this plant boasts leaves that exhibit a unique sandpapery texture that adds to its character. It is important to protect this species from frost to ensure its continued growth and health. It is a natural variation found in habitat.