| Family | Adoxaceae (also placed in Caprifoliaceae) |
| Scientific name | Viburnum wrightii Miquel |
| Synonyms | Viburnum hessei Koehne; Viburnum wrightii Miquel var. hessei (Koehne) Rehder |
| Common name | (Japanese common name) miyama-gamazumi (ミヤマガマズミ, 深山ガマズミ [meaning: mountain gamazumi (gamazumi = Viburnum dilatatum)]) |
| (English common name) none | |
| Distribution | (Japan) Japan Sea side of Honshu |
| (Other nations) none | |
| Chromosomal number | 2n=36 |
| Description | Plants 2-3m tall. Leaves 7-15cm long. Flowers white corollas each 6-8mm, flowering in May to June. Deciduous. Shrub. |
| Reference | Viburnum wrightii Miq. |
| May 2006 at mountane forest edge in Niigata Prefecture |
May 2006 at mountane forest edge in Niigata Prefecture |
May 2006 at mountane forest edge in Niigata Prefecture |
| December 2007 at Ibaraki Prefecture Botanical Garden |
| December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |