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 (Guangxi) Rhododendron adenobracteum China (Sichuan) Rhododendron arunachalense India (Arunachal Pradesh )Rhododendron boninense Japan ( Ogasawara-shoto) Rhododendron breviperulatum Taiwan Rhododendron chaoanense China (Guangdong) Rhododendron chrysocalyx China (Hubei, Guizhou, Guangxi) Rhododendron chunii China (Guangdong, Guangxi), Vietnam Rhododendron crassimedium China (Jiangxi) Rhododendron crassistylum China (Jiangxi) Rhododendron cretaceum China (Guangdong) Rhododendron eriocarpum Japan (Kyushu) to Nansei-shoto (Uotsuri-Jima) Rhododendron flosculum China (Guangxi) Rhododendron flumineum China (Yunnan) Rhododendron fuchsiifolium China (Guizhou, Guangxi, Guangdong) Rhododendron fuscipilum China (Guangxi) Rhododendron guizhongense China (Guangxi) Rhododendron hainanense China (Guangxi), Vietnam Rhododendron hunanense China (E. Jiangxi, S. Hunan) Rhododendron indicum Japan (W. & Central Honshu, Kyushu) Rhododendron jasminoides China (Guangxi) Rhododendron jinpingense China (Yunnan) Rhododendron jinxiuense China (Guangxi) Rhododendron kaempferi JapanRhododendron kanehirae Taiwan Rhododendron kiusianum Japan (Kyushu) Rhododendron komiyamae Japan (Shizuoka) Rhododendron kwangsiense China (Guangxi, Guangdong, Hunan, Guizhou) Rhododendron kwangtungense China (Guangxi, Guangdong, Hunan, Guizhou) Rhododendron lasiostylum Taiwan Rhododendron lilacinum China (Guizhou) Rhododendron linguiense China (Guangxi). Rhododendron litchiifolium China (Guangdong). Rhododendron longifalcatum China (Guangxi) Rhododendron longiperulatum Taiwan Rhododendron loniceriflorum China (Fujian) Rhododendron malipoense China (Yunnan) Rhododendron mariae China (Guizhou) Rhododendron meridionale China (Guangxi), Vietnam Rhododendron microphyton China (Guangxi), Myanmar, Thailand Rhododendron minutiflorum China (Guangxi, Guangdong) Rhododendron mucronatum Japan Rhododendron myrsinifolium China (Guangxi) Rhododendron naamkwanense China (Guangdong, Jiangxi) Rhododendron nakaharae northern Taiwan Rhododendron nanpingense China (Fujian)Rhododendron nipponicum Japan (Honshu)Rhododendron noriakianum Taiwan Rhododendron octandrum China (Guizhou) Rhododendron oldhamii Taiwan Rhododendron pinetorum China (Hunan) Rhododendron pudingense China (Guizhou) Rhododendron pulchroides China (Guangxi) Rhododendron qianyangense China (Hunan) Rhododendron rhodanthum China (Hunan) Rhododendron rhuyuenense China (Hunan, Guangdong, Jiangxi) Rhododendron ripense Japan Rhododendron rivulare China, N. Myanmar Rhododendron rubropilosum Central Taiwan Rhododendron rufohirtum China (Sichuan, Yunnan, Guizhou) Rhododendron saxatile China (Zhejiang) Rhododendron saxicola Vietnam Rhododendron scabrum Nansei-shoto Rhododendron seniavinii China (Guizhou, Hunan, Jiangxi, Fujian) Rhododendron serpyllifolium Japan(Honshu, Kyushu, and Shikoku,) Rhododendron sikayotaizanense Taiwan Rhododendron simsii China, Laos, Myanmar, Nansei-shoto, Taiwan, Thailand, Tibet, Vietnam Rhododendron sohayakiense Japan (Honshu, Shikoku) Rhododendron sparsifolium China (Sichuan) Rhododendron stenopetalum Japan Rhododendron strigosum China (Jiangxi) Rhododendron subcerinum China (Guangdong) Rhododendron subenerve China (Guangxi) Rhododendron subflumineum China (Hunan, Guangdong) Rhododendron subsessile Philippines. Rhododendron taipaoense China (Guangdong, Fujian).Rhododendron taiwanalpinum TaiwanRhododendron tashiroi Japan, Taiwan Rhododendron tenuilaminare China (Guangdong) Rhododendron tingwuense China (Guangdong) Rhododendron tosaense Japan (SW. Honshu, S. Shikoku, E. Kyushu) Rhododendron tschonoskii Japan, Kuril Is., Sakhalin Rhododendron tsusiophyllum Japan Rhododendron unciferum China (Guangxi) Rhododendron viscidum China (Hunan) Rhododendron xiangganense China (Jiangxi, Hunan) Rhododendron yakuinsulare Japan (Yakushima) Rhododendron yangmingshanense China (Hunan) Rhododendron yaoshanicum China (Guangxi) Rhododendron yedoense China (Yunnan) to N. Myanmar, Korea, S. Japan Rhododendron yunyianum China (Fujian)
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