| Family | Ericaceae |
| Scientific name | Rhododendron albrechtii Maximovicz |
| Synonyms | Azalea albrechtii (Maximovicz) Kuntze; Rhododendron albrechtii Maximovicz forma albiflorum T. Yamazaki; Rhododendron albrechtii Maximovicz forma canescens Sugimoto |
| Common name | (Japanese common name) murasaki yashio [purple yashio (meaning of yashio is unknown)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (west of Fukushima Prefecture, east of Hyogo Prefecture, mainly Pacific Sea side) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 2-3m. Leaves 5-10cm length. Flowers purple or white (forma albiflorum) 3-4cm, flowering in May to June. Deciduous. Shrub. |
| Reference | Rhododendron albrechtii Maxim. |
| Taxonomic and Geographic Studies on the Japan-Sea Side Elements : I. On the Northern Species (Sympetalae) | |
| Method of breeding azalea (US Patent 20060294616) | |
| Note | Endemic to Japan. |
| March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |
April 2007 at Nikko Botanical Garden |
| December 2007 at Tsukuba Botanical Garden |
December 2007 at Tsukuba Botanical Garden |
| December 2007 at Tsukuba Botanical Garden |
December 2007 at Tsukuba Botanical Garden |
December 2007 at Tsukuba Botanical Garden |