South America
China, Eastern United States, Japan, Korea
A. s. var. angustifolium,A. s. var. sesquipedale
Chinese Wisteria, Japanese wisteria, Silky wisteria, American wisteria
H1, H2, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24