Rhododendron subsect. Brachycalyx explained
Rhododendron subsection Brachycalyx is a subsection of the genus Rhododendron, in section Tsutsusi, subgenus Azaleastrum, consisting of fifteen species of azaleas from Asia.
Description
Leaves deciduous, pseudoverticillate, rhombic, crowded at the shoot apex and monomorphic, hairs usually confined to axils.
Taxonomy
The section Brachcalyx was first proposed by JC Tate based on the Chinese Rhododendron farrerae, and described by Robert Sweet in 1831, in The British Flower Garden.
Species;
| Image | Name | Distribution |
|---|
| Rhododendron amagianum | Japan (C. Honshu) |
| Rhododendron dilatatum | Japan |
| Rhododendron farrerae | S. China. |
| Rhododendron hidakanum | Japan |
| Rhododendron kiyosumense | Japan (Honshu) |
| Rhododendron lagopus | Japan (Honshu, Shikoku) |
| Rhododendron mariesii | China, Taiwan |
| Rhododendron mayebarae | Japan (Kyushu) |
| Rhododendron nudipes | Japan (Kyushu) |
| Rhododendron reticulatum | Central & S. Japan |
| Rhododendron sanctum | Japan (C. Honshu) |
| Rhododendron tashiroi | Japan, Nansei-shoto, Taiwan |
| Rhododendron viscistylum | Japan (S. Kyushu) |
| Rhododendron wadanum | Japan (C. Honshu) |
| Rhododendron weyrichii | Japan, Korea |
|
Bibliography
- Loretta Goetsch, Andrew Eckert and Benjamin Hall. Classification of genus Rhododendron. 2005 Annual ARS Convention
- Book: Chamberlain. DF. Hyam R. Argent G. Fairweather G. Walter KS. The genus Rhododendron: its classification and synonymy. 1996. Royal Botanic gardens Edinburgh. 1-872291-66-X. July 3, 2014. dead. https://web.archive.org/web/20140714144955/http://www.rbge.org.uk/about-us/publications/publications-catalogue/botanical-publications/rhododendron-publications. July 14, 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 . . 30 . 3 . 616–626 . 10.1600/0363644054782170. 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 . 10.1017/S096042860000319X . free .
- 10.3767/000651908X608070 . Classification of the Vireya group of Rhododendron (Ericaceae) . 2008 . Craven . L.A. . Goetsch . L.A. . Hall . B.D. . Brown . G.K. . Blumea - Biodiversity, Evolution and Biogeography of Plants . 53 . 2 . 435–442.
- 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 . 10.1111/j.1759-6831.2009.00011.x. 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 . 10.3417/2007139 . 86507576 .
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