Rhododendron kaempferi
Rhododendron kaempferi, the torch azalea or Kaempferi azalea, is a species of flowering plant in the family Ericaceae. It is native to Japan. A semi-evergreen shrub, its 'Orange King' cultivar has gained the Royal Horticultural Society's Award of Garden Merit. There are a number of other cultivars available with a variety of flower colors.
Subtaxa
The following varieties are accepted:- Rhododendron kaempferi var. iyoense
- Rhododendron kaempferi var. kaempferi – Honshu, Kyushu
- Rhododendron kaempferi var. lusidusculum
- Rhododendron kaempferi var. macrogemmum – Izu Peninsula, Izu Islands
- Rhododendron kaempferi var. mikawanum – Aichi Prefecture
- Rhododendron kaempferi var. saikaiense – Kyushu
- Rhododendron kaempferi var. tubiflorum – western Honshu