Rhododendron 'Summer Wind', which is a Jim Barlup hybrid documented as 'Golden Gala' x 'Summer Peach', has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron 'Summer Wind' has as ancestors 'Broughtonii', 'Pink Pearl', 'Gomer Waterer', 'Phyllis Korn', and 'Summer Peach'.
Summary of Ploidy Levels
Diploid 'Diane',
Diploid 'Madame Carvalho',
Diploid 'Mrs. Lindsay Smith',
Diploid 'Summer Peach',
Diploid 'Summer Wind',
Triploid 'Broughtonii',
Triploid 'Gomer Waterer',
Triploid 'Phyllis Korn',
Triploid 'Pink Pearl'
Source: Whitney Nursery
John and Sally Perkins
