Hybrid origin, North America
China, Indonesia, Japan, Korea, The Hiamalayas
Cold Regions, Dry areas, Dry Forest
Forest margins, Hillside, Woods
1a, 1b, 2a, 2b, 3a, 3b, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21