Evolvulus

…species), Convolvulus (100 species), and Evolvulus (100 species)—include twining vines, herbs, trees, and a few aquatics. The sweet potato (Ipomoea batatas) and various morning glories are economic plants of the family. Several species of bindweeds (members of Convolvulus and Calystegia) are agricultural weeds.

(bindweed, with 100 species), and Evolvulus (100 species)—include twining vines, herbs, trees, and a few aquatics. The large parasitic genus Cuscuta (dodder, 145 species), formerly placed in its own family Cuscutaceae, is now nearly cosmopolitan after its range was expanded by introduction with seeds of other plants.