Rhododendron subsect. Brachycalyx
Rhododendron subsection Brachycalyx is a subsection of the genus Rhododendron, in section Tsutsusi, subgenus Azaleastrum, consisting of fifteen species of azaleas from Asia.
Description
Leaves deciduous, pseudoverticillate, rhombic, crowded at the shoot apex and monomorphic, hairs usually confined to axils.Taxonomy
The section Brachcalyx was first proposed by JC Tate based on the Chinese Rhododendron farrerae, and described by Robert Sweet in 1831, in The British Flower Garden.Species;
| Image | Name | Distribution |
| Rhododendron amagianum | Japan | |
| Rhododendron dilatatum | Japan | |
| Rhododendron farrerae | S. China. | |
| Rhododendron hidakanum | Japan | |
| Rhododendron kiyosumense | Japan | |
| Rhododendron lagopus | Japan | |
| Rhododendron mariesii | China, Taiwan | |
| Rhododendron mayebarae | Japan | |
| Rhododendron nudipes | Japan | |
| Rhododendron reticulatum | Central & S. Japan | |
| Rhododendron sanctum | Japan | |
| Rhododendron tashiroi | Japan, Nansei-shoto, Taiwan | |
| Rhododendron viscistylum | Japan | |
| Rhododendron wadanum | Japan | |
| Rhododendron weyrichii | Japan, Korea |