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 (C. Honshu) Rhododendron dilatatum Japan Rhododendron farrerae S. China. Rhododendron hidakanum Japan Rhododendron kiyosumense Japan (Honshu) Rhododendron lagopus Japan (Honshu, Shikoku) Rhododendron mariesii China, Taiwan Rhododendron mayebarae Japan (Kyushu) Rhododendron nudipes Japan (Kyushu) Rhododendron reticulatum Central & S. Japan Rhododendron sanctum Japan (C. Honshu) Rhododendron tashiroi Japan, Nansei-shoto, Taiwan Rhododendron viscistylum Japan (S. Kyushu) Rhododendron wadanum Japan (C. Honshu) Rhododendron weyrichii Japan, Korea
References
Bibliography Loretta Goetsch, Andrew Eckert and Benjamin Hall. Classification of genus Rhododendron. 2005 Annual ARS Convention
Pojarkova AI, in Schischkin & Bobrov, Flora URSS. 18: 55. 1952.
External links Flora of China Flora Republica Popularis Sinicae Tropicos, see also Section Tsutsusi