Rhododendron subg. Azaleastrum

Rhododendron subgenus Azaleastrum is a subgenus of the genus Rhododendron.

The subgenus included two sections, however in 2005, Choniastrum was elevated to subgenus rank, but sections Sciadorhodion and Tsutsusi were added, providing a new total of three sections.
 * Azaleastrum sect. Azaleastrum (4 species)
 * Azaleastrum sect. Sciadorhodion
 * Azaleastrum sect. Tsutsusi (81 species)