Seeds from this very hard to find Aristolochia pilosa. An evergreen and deciduous woody vine and herbaceous perennial with these unusual pipevine blossoms. The 2 inch bloom is totally covered inside and out with fine fluffy hairs. The hairs serve as a trap for insects entering the tube shaped blooms. The smooth stem is erect or somewhat twining. This tropical grows 6 to 8 feet in zones 10-11.