Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron hedyosmum' from the website Trees and Shrubs Online (treesandshrubsonline.
Probably a hybrid of R. trichostomum Franch. (Sect. Pogonanthum; see note under the latter species). Royal Horticultural Society (1997)