| Family | Caprifoliaceae |
| Scientific name | Weigela florida (Bunge) A. de Candolle |
| Synonyms | Calysphyrum floridum Bunge; Calysphyrum roseum (Lindley) C. A. Meyer; Diervilla brevicalycina Nakai; Diervilla florida (Bunge) Siebold & Zuccarini; Diervilla florida (Bunge) Siebold & Zuccarini forma brevicalycina Nakai; Diervilla florida (Bunge) Siebold & Zuccarini var. venusta Rehder Diervilla florida (Bunge) Siebold & Zuccarini var. venusta Rehder forma brevicalycina Nakai; Diervilla pauciflora A. de Candolle; Diervilla rosea (Lindley) Walpers; Diervilla venustn (Rehder) Stapf; Weigela florida (Bunge) A. de Candolle var. glabra Nakai; Weigela florida (Bunge) A. de Candolle var. pauciflora (A. de Candolle) Nakai; Weigela florida (Bunge) A. de Candolle var. venusta (Rehder) Nakai; Weigela venusta Bailey; Weigela rosea Lindley |
| Common name | (Japanese common name) oh-beni-utsugi [large red utsugi (utsugi = a tree which has empty body)] |
| (English common name) oldfashioned weigela | |
| Distribution | (Japan) Kyushu (Fukuoka Prefecture) |
| (Other nations) Korea, China | |
| Chromosomal number | 2n=36 |
| Description | Plants 2-3m. Leaves 4.5-6cm length. Flowers red corollas 3-3.5cm, flowering in May to June. Deciduous. Shrub. |
| Reference | Weigela florida (Bunge) A. DC. |
| May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |