| Rhododendron sect. Sciadorhodion | |
|---|---|
| | |
| Rhododendron wadanum | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Rhododendron |
| Subgenus: | Rhododendron subg. Azaleastrum |
| Section: | Rhododendron sect. Sciadorhodion Rehder & E.H.Wilson |
| Type species | |
| Rhododendron schlippenbachii | |
| Species | |
See text | |
| Synonyms | |
| |
Rhododendron sect. Sciadorhodion is a subsection of subgenus Azaleastrum in the genus Rhododendron . It comprises 16 species of deciduous shrubs native to East Asia and North America. [1] [2]
Plants were previously classified in the genus Menziesia and reclassified within the genus Rhododendron [3] and formally transferred in 2011. [4]
| Image | Name | Distribution |
|---|---|---|
| | Rhododendron albiflorum Hook. 1834 | British Columbia to northern Oregon and inland to western Alberta to Montana, and Colorado |
| | Rhododendron albrechtii Maxim. 1870 | Japan (Honshu and Hokkaido) |
| Rhododendron benhallii Craven 2011 | Japan (Honshu, Shikoku) | |
| | Rhododendron dilatatum Miq. 1836 | Japan (Honshu). |
| | Rhododendron goyozanense (M.Kikuchi) Craven 2011 | Japan (N. Honshu) |
| Rhododendron katsumatae (M.Tash. & H.Hatta) Craven 2011 | Japan (Honshu) | |
| | Rhododendron kroniae Craven 2011 | Japan (Kyushu) |
| | Rhododendron menziesii Craven 2011 | Alaska through the Pacific Northwest to northwestern California and Wyoming |
| | Rhododendron multiflorum (Maxim.) Craven 2011 | Japan (S. Hokkaido, N. & Central Honshu) |
| Rhododendron osuzuyamense T.Yamaz. 2019 | Japan (C. Kyushu). | |
| | Rhododendron pentandrum (Maxim.) Craven 2011 | Sakhalin to Japan |
| | Rhododendron pilosum (Maxim.) Craven 2011 | United States (S. Pennsylvania to Georgia) |
| | Rhododendron quinquefolium Bisset & S.Moore 1877 | Japan (C. Honshu, Shikoku) |
| | Rhododendron schlippenbachii Maxim. 1870 | S. Russian, Korea, China (Inner Mongolia, Manchuria) and Japan |
| | Rhododendron vaseyi A.Gray 1880 | North Carolina |
| | Rhododendron wadanum Makino 1917 | Japan (C. Honshu) |
| Rhododendron yakushimense (M.Tash. & H.Hatta) Craven 2011 | Japan (Yakushima) | |