Habit: Aristolochia passiflorifolia grows as a vine to 4 m. in length climbing on surrounding vegetation. The leaves are arranged alternately, auriculate in shape, to 6 cm in length, an entire margin and acute leaf apex.
The incomplete, perfect, strongly zygomorphic flowers are solitary in leaf axils. The sepals in the calyx are fused, forming an inflated base narrowing to a curved tube and then opening widely with the outer edge having numerous projecting appendages. There are 5 unfused stamens in the calyx inflated base. The superior ovary has 5 locules and numerous ovules. The fruit a brown capsule that opens at the point of attachment to the peduncle forming a hanging basket shape.
Habitat: Aristolochia passiflorifolia grows in Pine Woodlands and Dry Broadleaf Evergreen Formation – Shrublands (scrubland coppice).
Distribution: Aristolochia passiflorifolia is endemic to the Lucayan Archipelago and Cuba.
Medicinal/Cultural/Economic usage: Aristolochia passiflorifolia is not known to be used medicinally in the Bahamas.