| Family | Ericaceae |
| Scientific name | Rhododendron keiskei Miquel |
| Synonyms | Rhododendron keiskei Miquel var. cordifolium Masamune |
| Common name | (Japanese common name) hikage tutuji [shade tutuji (tutuji = Rhododendron plants)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikokku, Kyushu |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 1-2m. Leaves 5-10cm length. Flowers yellow, flowering in April to May. Deciduous. Shrub. |
| Reference | Rhododendron keiskei Miq. |
| Note | Native to Japan. |
| April 2007 at Koishikawa Botanical Garden |
April 2007 at Koishikawa Botanical Garden |
April 2007 at Koishikawa Botanical Garden |
| April 2007 at Koishikawa Botanical Garden |