Rhododendron subsect. Tsutsusi

Rhododendron subsect. Tsutsusi
Rhododendron indicum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Ericales
Family:	Ericaceae
Genus:	Rhododendron
Subgenus:	Rhododendron subg. Azaleastrum
Section:	Rhododendron sect. Tsutsusi
Subsection:	Rhododendron subsect. Tsutsusi Sweet
Type species
Rhododendron indicum (L.) Sweet[1]
Species
See text

Rhododendron subsection Tsutsusi is a subsection of the genus Rhododendron, in section Tsutsusi, subgenus Azaleastrum, consisting of 66 species of Azaleas.

Leaves generally deciduous but some apical leaves over winter and are dimorphic, young twigs with flattened multicellular hairs that are widely distributed.^[2]

For etymology, see section Tsutsusi.

Selected species include;^[2][3]

Image	Name	Distribution
	Rhododendron breviperulatum Hayata 1913	Taiwan
	Rhododendron eriocarpum (Hayata) Nakai 1922	Japan (Kyushu) to Nansei-shoto (Uotsuri-Jima)
	Rhododendron indicum (L.) Sweet 1830	Japan (W. & Central Honshu, Kyushu)
	Rhododendron kaempferi Planch. 1853	Japan
	Rhododendron kiusianum Makino 1914	Japan (Kyushu)
	Rhododendron mucronatum (Blume) G.Don 1834	Japan
	Rhododendron nakaharae Hayata 1908	northern Taiwan
	Rhododendron oldhamii Maxim. 1871	Taiwan
	Rhododendron rubropilosum Hayata 1911	Central Taiwan
	Rhododendron scabrum G.Don 1834	Nansei-shoto
	Rhododendron serpyllifolium (A.Gray) Miq. 1866	Japan(Honshu, Kyushu, and Shikoku,)
	Rhododendron simsii Planch. 1853	China, Laos, Myanmar, Nansei-shoto, Taiwan, Thailand, Tibet, Vietnam
	Rhododendron stenopetalum (R.Hogg) Mabb. 1990	Japan
	Rhododendron subsessile Rendle 1896	Philippines.
	Rhododendron tosaense Makino 1892	Japan (SW. Honshu, S. Shikoku, E. Kyushu)
	Rhododendron tschonoskii Maxim. 1870	Japan, Kuril Is., Sakhalin
	Rhododendron tsusiophyllum Sugim. 1956	Japan
	Rhododendron yedoense Maxim. ex Regel 1886	China (Yunnan) to N. Myanmar, Korea, S. Japan

• Loretta Goetsch, Andrew Eckert and Benjamin Hall. Classification of genus Rhododendron. 2005 Annual ARS Convention
• Chamberlain, DF; Hyam R; Argent G; Fairweather G; Walter KS (1996). The genus Rhododendron: its classification and synonymy. Royal Botanic gardens Edinburgh. ISBN 1-872291-66-X. Archived from the original on July 14, 2014. Retrieved July 3, 2014.
• Goetsch, Loretta A.; Eckert, Andrew J.; Hall, Benjamin D. (July–September 2005). "The molecular systematics of Rhododendron (Ericaceae): a phylogeny based upon RPB2 gene sequences". Systematic Botany. 30 (3): 616–626. doi:10.1600/0363644054782170. S2CID 51949019.
• Pojarkova AI, in Schischkin & Bobrov, Flora URSS. 18: 55. 1952.
• Powell, Kron; Ann, E.; Kathleen, A. "Molecular systematics of Rhododendron subgenus Tsutsusi (Rhodoreae, Ericoideae, Ericaceae)". Botany. 2004: 147.
• Chamberlain, DF (1990). "A revision of Rhododendron. IV Subgenus Tsutsusi". Edinburgh Journal of Botany. 47 (2): 89–200. doi:10.1017/S096042860000319X.
• Craven, L.A.; Goetsch, L.A.; Hall, B.D.; Brown, G.K. (2008). "Classification of the Vireya group of Rhododendron (Ericaceae)". Blumea - Biodiversity, Evolution and Biogeography of Plants. 53 (2): 435–442. doi:10.3767/000651908X608070.
• Yue-Jiao, ZHANG; Xiao-Feng, JIN; Bing-Yang, DING; Jing-Ping, ZHU (2009). "Pollen morphology of Rhododendron subgen. Tsutsusi and its systematic implications". Journal of Systematics and Evolution. 47 (2): 123–138. doi:10.1111/j.1759-6831.2009.00011.x. S2CID 86594487.
• Xiao-Feng, Jin; Bing-Yang, Ding; Yue-Jiao, Zhang; De-Yuan, Hong (2010). "A Taxonomic Revision Of Rhododendron subg. Tsutsusi sect. Brachycalyx (Ericaceae)". Annals of the Missouri Botanical Garden. 97 (2): 163–190. doi:10.3417/2007139. S2CID 86507576.

• Flora of China
• Flora Republica Popularis Sinicae
• Tropicos, see also Section Tsutsusi
• "Genus Rhododendron Taxonomic Tree". American Rhododendron Society. Retrieved 18 June 2014.

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