| Family | Ericaceae |
| Scientific name | Rhododendron macrosepalum Maximovicz |
| Synonyms | Azalea linearifolia (Siebold & Zuccarini) Hooker f.; Azalea macrosepala (Maximovicz) K. Koch; Rhododendron linearifolium Siebold & Zuccarini; Rhododendron linearifolium Siebold & Zuccarini var. macrosepalum (Maximovicz) Makino; Rhododendron macrosepalum Maximovicz forma leucanthum Hara |
| Common name | (Japanese common name) mochi tutuji [rice cake tutuji (tutuji = Rhododendron plants)] |
| (English common name) big sepal azalea | |
| Distribution | (Japan) Honshu (west of Sizuoka Prefecture), Shikoku |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 1-5m. Leaves 4-7cm length. Flowers purple, pink or white (forma leucanthum) corollas 5-8cm, flowering in April to June (sometimes also in Autumn and Winter). Evergreen. Shrub. |
| Reference | Rhododendron macrosepalum Maxim. |
| Rhododendron macrosepalum Maxim. | |
| Method of breeding azalea (US Patent 20060294616) | |
| Note | Native to Japan. |
| April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
| January 2007 at Koishikawa Botanical Garden |
January 2007 at Koishikawa Botanical Garden |
January 2007 at Koishikawa Botanical Garden |
| December 2007 at Tsukuba Botanical Garden |