| Family | Thymelaeaceae |
| Scientific name | Daphne pseudo-mezereum A. Gray subsp. jezoensis (Maximovicz) Hamaya |
| Synonyms | Daphne jezoensis Maximovicz |
| Common name | (Japanese common name) naniwadzu [naniwa-dzu = name of a Japanese traditional song] |
| (English common name) none | |
| Distribution | (Japan) Honshu (north of Fukui Prefecture, mainly Japan Sea side) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 1m. Leaves 5-10cm. Flowers yellow, flowering in March to April. Deciduous (in summer). Shrub. |
| Note | Flower color of Daphne pseudo-mezereum A. Gray is green. |
| March 2007 at mountane forest in Niigata Prefecture |
March 2007 at mountane forest in Niigata Prefecture |
March 2007 at mountane forest in Niigata Prefecture |
| March 2007 at mountane forest in Niigata Prefecture |
March 2007 at mountane forest in Niigata Prefecture |