About Lespedeza thunbergii (DC.) Nakai
Lespedeza thunbergii (DC.) Nakai grows annual stems that reach up to 2 meters (7 feet) tall, with diameters up to 1.3 centimeters (0.5 inches). All of these stems die back completely at the end of each growing season. This species produces an abundance of pink to purplish flowers that open in late summer. Its fruit is a legume pod that holds black seeds.