Rhododendron subsect. Tsutsusi
Rhododendron subsection Tsutsusi is a subsection of the genus Rhododendron, in section Tsutsusi, subgenus Azaleastrum, consisting of 66 species of Azaleas.
Description
Leaves generally deciduous but some apical leaves over winter and are dimorphic, young twigs with flattened multicellular hairs that are widely distributed.Taxonomy
For etymology, see section Tsutsusi.Species
Species include;| Image | Name | Distribution |
| Rhododendron adenanthum | China | |
| Rhododendron adenobracteum | China | |
| Rhododendron arunachalense | India | |
| Rhododendron boninense | Japan | |
| Rhododendron breviperulatum | Taiwan | |
| Rhododendron chaoanense | China | |
| Rhododendron chrysocalyx | China | |
| Rhododendron chunii | China, Vietnam | |
| Rhododendron crassimedium | China | |
| Rhododendron crassistylum | China | |
| Rhododendron cretaceum | China | |
| Rhododendron eriocarpum | Japan to Nansei-shoto | |
| Rhododendron flosculum | China | |
| Rhododendron flumineum | China | |
| Rhododendron fuchsiifolium | China | |
| Rhododendron fuscipilum | China | |
| Rhododendron guizhongense | China | |
| Rhododendron hainanense | China, Vietnam | |
| Rhododendron hunanense | China | |
| Rhododendron indicum | Japan | |
| Rhododendron jasminoides | China | |
| Rhododendron jinpingense | China | |
| Rhododendron jinxiuense | China | |
| Rhododendron kaempferi | Japan | |
| Rhododendron kanehirae | Taiwan | |
| Rhododendron kiusianum | Japan | |
| Rhododendron komiyamae | Japan | |
| Rhododendron kwangsiense | China | |
| Rhododendron kwangtungense | China | |
| Rhododendron lasiostylum | Taiwan | |
| Rhododendron lilacinum | China | |
| Rhododendron linguiense | China. | |
| Rhododendron litchiifolium | China. | |
| Rhododendron longifalcatum | China | |
| Rhododendron longiperulatum | Taiwan | |
| Rhododendron loniceriflorum | China | |
| Rhododendron malipoense | China | |
| Rhododendron mariae | China | |
| Rhododendron meridionale | China, Vietnam | |
| Rhododendron microphyton | China, Myanmar, Thailand | |
| Rhododendron minutiflorum | China | |
| Rhododendron mucronatum | Japan | |
| Rhododendron myrsinifolium | China | |
| Rhododendron naamkwanense | China | |
| Rhododendron nakaharae | northern Taiwan | |
| Rhododendron nanpingense | China | |
| Rhododendron nipponicum | Japan | |
| Rhododendron noriakianum | Taiwan | |
| Rhododendron octandrum | China | |
| Rhododendron oldhamii | Taiwan | |
| Rhododendron pinetorum | China | |
| Rhododendron pudingense | China | |
| Rhododendron pulchroides | China | |
| Rhododendron qianyangense | China | |
| Rhododendron rhodanthum | China | |
| Rhododendron rhuyuenense | China | |
| Rhododendron ripense | Japan | |
| Rhododendron rivulare | China, N. Myanmar | |
| Rhododendron rubropilosum | Central Taiwan | |
| Rhododendron rufohirtum | China | |
| Rhododendron saxatile | China | |
| Rhododendron saxicola | Vietnam | |
| Rhododendron scabrum | Nansei-shoto | |
| Rhododendron seniavinii | China | |
| Rhododendron serpyllifolium | Japan | |
| Rhododendron sikayotaizanense | Taiwan | |
| Rhododendron simsii | China, Laos, Myanmar, Nansei-shoto, Taiwan, Thailand, Tibet, Vietnam | |
| Rhododendron sohayakiense | Japan | |
| Rhododendron sparsifolium | China | |
| Rhododendron stenopetalum | Japan | |
| Rhododendron strigosum | China | |
| Rhododendron subcerinum | China | |
| Rhododendron subenerve | China | |
| Rhododendron subflumineum | China | |
| Rhododendron subsessile | Philippines. | |
| Rhododendron taipaoense | China. | |
| Rhododendron taiwanalpinum | Taiwan | |
| Rhododendron tashiroi | Japan, Taiwan | |
| Rhododendron tenuilaminare | China | |
| Rhododendron tingwuense | China | |
| Rhododendron tosaense | Japan | |
| Rhododendron tschonoskii | Japan, Kuril Is., Sakhalin | |
| Rhododendron tsusiophyllum | Japan | |
| Rhododendron unciferum | China | |
| Rhododendron viscidum | China | |
| Rhododendron xiangganense | China | |
| Rhododendron yakuinsulare | Japan | |
| Rhododendron yangmingshanense | China | |
| Rhododendron yaoshanicum | China | |
| Rhododendron yedoense | China to N. Myanmar, Korea, S. Japan | |
| Rhododendron yunyianum | China |