Japan Flora: Coarsely pilose twining annual, allied to the preceding variety, but slightly larger, with longer peduncles, and elongate racemes and smaller bracteoles; legumes pendulous, 5-6 cm. long, 4-5 mm. wide, nearly straight, dark brown, the seeds black with paler blotches, truncate at both ends, 3.5 mm. long, the hilum flat.