Thunbergia alata, commonly called black-eyed Susan vine, is a herbaceous perennial climbing plant species in the family Acanthaceae. It is native to Eastern Africa, and has been naturalized in other ...

Black-eyed Susan vines are smaller (reaching only 3 to 8 feet tall), but this easy-to-care-for climber adds charm to wherever it climbs. But while it’s short, this climbing plant grows quickly ...