Rhododendron subsection Brachycalyx is a subsection of the genus Rhododendron, in section Tsutsusi, subgenus Azaleastrum, consisting of fifteen species of azaleas from Asia.
| Rhododendron subsect. Brachycalyx | |
|---|---|
| |
| Rhododendron farrerae | |
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. Brachycalyx Sweet |
| Type species | |
| Rhododendron farrerae | |
| Species | |
|
See text | |
Description
editLeaves deciduous, pseudoverticillate, rhombic, crowded at the shoot apex and monomorphic, hairs usually confined to axils.
Taxonomy
editThe section Brachcalyx was first proposed by JC Tate[2] based on the Chinese Rhododendron farrerae, and described by Robert Sweet in 1831, in The British Flower Garden.[1][3]
| Image | Name | Distribution |
|---|---|---|
| Rhododendron amagianum (Makino) Makino ex H.Hara 1948 | Japan (C. Honshu) | |
 |
Rhododendron dilatatum Miq. 1863 | Japan |
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Rhododendron farrerae Sweet 1831 | S. China. |
| Rhododendron hidakanum H.Hara 1974 | Japan | |
 |
Rhododendron kiyosumense (Makino) Makino 1931 | Japan (Honshu) |
 |
Rhododendron lagopus Nakai 1926 | Japan (Honshu, Shikoku) |
.jpg) |
Rhododendron mariesii Hemsl. & E.H.Wilson 1907 | China, Taiwan |
| Rhododendron mayebarae Nakai & H.Hara 1935 | Japan (Kyushu) | |
 |
Rhododendron nudipes Nakai 1926 | Japan (Kyushu) |
| |
Rhododendron reticulatum D.Don ex G.Don 1834 | Central & S. Japan |
 |
Rhododendron sanctum Nakai 1932 | Japan (C. Honshu) |
 |
Rhododendron tashiroi Maxim. 1886 | Japan, Nansei-shoto, Taiwan |
| Rhododendron viscistylum Nakai 1935 | Japan (S. Kyushu) | |
 |
Rhododendron wadanum Makino 1917 | Japan (C. Honshu) |
 |
Rhododendron weyrichii Maxim. 1871 | Japan, Korea |
References
edit- ^ a b Sweet R. The British Flower Garden. Ser. 2, 1: 95 Ridgway, London (1831)
- ^ James Charles Tate, Nurseryman at Sloane Square, founder of the Nursery and Botanic Garden and importer of Rhododendrons. British History Online: Farm Gardening and Market Gardening
- ^ 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.
- ^ "Genus Rhododendron Taxonomic Tree". American Rhododendron Society. Retrieved 18 June 2014.
- ^ A. Kron and E. A. Powell. MOLECULAR SYSTEMATICS OF RHODODENDRON SUBGENUS TSUTSUSI (RHODOREAE, ERICOIDEAE, ERICACEAE) Edinburgh Journal of Botany Volume 66 Issue 1 March 2009, pp 81-95
Bibliography
edit- 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)" (PDF). 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 (2009). "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.
External links
edit- 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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