Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
Article from Bean's Trees and Shrubs Hardy in the British Isles
'Rhododendron obtusum' from the website Trees and Shrubs Online (treesandshrubsonline.
There are no active references in this article.
Awards AM 1898 (W. Nicholson, Basing Park, Alton); flowers clear orange-scarlet. AM 1965 (Knaphill Nursery, Woking) to a clone 'Splendens'; flowers Rose Bengal.
Taxonomic note R. obtusum and the many of the forms and varieties described under that name are cultivated selections of R. kiusianum, or hybrids between it and R. kaempferi (see note under the former species). Royal Horticultural Society (1997)
see under R. kaempferi