Japan Flora: Stems erect, usually not branched, 40-80 cm. long, soft-pubes­cent while young, soon glabrate; stipules ovate, 3-4 cm. long, usually obtuse; leaflets ovate, obovate, or elliptic, equal, 5-7 cm. long, 3-5 cm. wide, obtuse, soft-pubescent while young; racemes rather elongate, the bracts narrowly ovate, deciduous, longer than the pedicels; flowers 23-25 mm. long; calyx 10-12 mm. long, with narrowly ovate teeth about half as long as the tube; legumes straight, flat, 8-10 cm. long, 6-7 mm. wide, pubescent while young, 12- to 15-seeded. May-Aug. Sand dunes near the sea.

Hokkaido, Honshu, Shikoku, Kyushu; common northw. Korea, Ussuri, Sakhalin, Kuriles, regions around the Ochotsk Sea, and N.  America.