Rhododendron subg. Choniastrum

Rhododendron subgenus Choniastrum
Rhododendron latoucheae
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Ericales
Family:	Ericaceae
Genus:	Rhododendron
Subgenus:	Choniastrum Franch.

Rhododendron subg. Choniastrum is a subgenus of the genus Rhododendron, originally a section of subgenus Azaleastrum^[1] it was elevated to subgenus rank after cladistic analysis revealed that together with Rhododendron it formed a major clade, distinct from other sections of Azaleastrum.^[2]

The subgenus includes eleven species, including;

• Rhododendron championae
• Rhododendron hancockii
• Rhododendron hypoleucum
• Rhododendron latoucheae
• Rhododendron moulmainense
• Rhododendron stamineum
• Rhododendron tomentosum

References

1. Chamberlain DF, Hyam R, Argent G, Fairweather G, Walter KS (1996). ‘The genus Rhododendron: its classification and synonymy.’ (Royal Botanic Garden Edinburgh: Edinburgh) ISBN 1 872291 66 X
2. 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.

Bibliography

• 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. doi:10.3767/000651908X608070.