| Family | Caprifoliaceae |
| Scientific name | Weigela middendorffiana (Carrière) K. Koch |
| Synonyms | Diervilla middendorffiana Carrière |
| Common name | (Japanese common name) ukon-utsugi [turmeric color utsugi (utsugi = a tree which has empty body)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (Aomori Prefecture, Iwate Prefecture) |
| (Other nations) Russia | |
| Chromosomal number | unknown |
| Description | Plants 1-1.5m tall. Leaves 5-12cm long. Flowers yellow corollas 3-4cm long, flowering in July to August. Deciduous. Shrub. |
| Reference | Weigela middendorffiana (Carrière) K. Koch |
| May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |