Wisteriopsis japonica var. japonica ≡ Wisteria japonica Siebold & Zucc., Fl. Jap.: 88. (1839)
≡ Millettia japonica (Siebold & Zucc.) A.Gray, Mem. Amer. Acad. Arts, n.s., 6: 386. (1858)
≡ Phaseoloides [ Phaseolodes] japonicum (Siebold & Zucc.) Kuntze, Revis. Gen. Pl. 1: 201. (1891)
≡ Kraunhia japonica (Siebold & Zucc.) Taub., Engler & Prantl, Nat. Pflanzen- fam. 3(3): 271. (1894).
Illustration.
Compton in Curtis’s Bot. Mag. 32 (3-4): 379, t. 2 (2015); Fig. 5, Plate 3 A–D .
Distribution.
Japan in south-western Honshu, Shikoku and Kyushu islands; South Korea in North and South Gyeongsang and North and South Jeolla provinces.
Habitat.
In woods and forests from sea level to 1200 m, climbing among scrub and trees.