Cryptostegia grandiflora (Purple Allamanda Vine)

Cryptostegia grandiflora, commonly known as the Purple Allamanda Vine, is a tropical climbing vine native to Madagascar. This vigorous vine produces large, showy clusters of deep purple trumpet-shaped flowers that are highly fragrant. The plant has glossy, dark green leaves and can reach heights of up to 30 feet. It is a popular choice for trellises, arbors, and fences in warmer regions.