Rhododendron subsect. Tsutsusi

Group of shrubs

Rhododendron subsect. Tsutsusi
Rhododendron indicum
Scientific classification Edit this 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.

Description

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

Taxonomy

For etymology, see section Tsutsusi.

Species

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

References

  1. ^ Sweet R. The British Flower Garden. Ser. 2, 1: 95 Ridgway, London (1831)
  2. ^ a b Kron, A.; Powell, E. A. (2009). "Molecular Systematics of Rhododendron Subgenus Tsutsusi (Rhodoreae, Ericoideae, Ericaceae)". Edinburgh Journal of Botany. 66 (1): 81–95. doi:10.1017/s0960428609005071.
  3. ^ "Genus Rhododendron Taxonomic Tree". American Rhododendron Society. Retrieved 18 June 2014.

Bibliography

  • 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.
  • v
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Subgenera, sections and species of genus Rhododendron, according to morphological (Chamberlain) and phylogenetic (Goetsch, Craven) schemes
Chamberlain (1996)
Rhododendron
  • Pogonathum
  • Rhododendron
  • Vireya
Hymenanthes
  • Ponticum
Pentanthera
  • Pentanthera
  • Rhodora
  • Sciadorhodion
  • Viscidula
Tsutsusi
Azaleastrum
  • Azaleastrum
  • Choniastrum
Candidastrum
  • R. albiflorum
Mumeazalea
R. semibarbatum
Therorhodion
  • R. camtschaticum
  • R. redowskianun
Goetsch (2005)
Craven (2008)
Rhododendron
  • Discovireya
  • Pogonathum
  • Pseudovireya
  • Rhododendron
  • Vireya
Choniastrum
  • 11 species
Hymenanthes
  • Ponticum
  • Pentanthera
Azaleastrum
Therorhodion
  • R. camtschaticum
  • R. redowskianun


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