Rhododendron 'Aamurusko', which is a Finnish Ghent hybrid, has been determined to be a triploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, 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.
Summary of Ploidy Levels
Diploid 'Miniatum Floribundum',
Triploid 'Aida',
Triploid 'Aamurusko',
Triploid 'Bronze Unique',
Triploid 'Croceum Tricolor',
Triploid 'Daviesii',
Triploid 'Deep Rose',
Triploid 'Freya',
Triploid 'Gloria Mundi',
Triploid 'Il Tasso',
Triploid 'Josephine Klinger',
Triploid 'Phebe',
Triploid 'Phidias',
Triploid 'Pontica Album',
Triploid 'Van Houttei Flore Pleno',
Triploid 'Velasquez',
Triploid/Tetraploid 'Praxitèle',
Tetraploid 'Admiraal De Ruyter',
Tetraploid 'Altaclerensis',
Tetraploid 'Ariel',
Tetraploid 'Beaté Céleste',
Tetraploid 'Bijou des Amateurs',
Tetraploid 'Bouquet de Flore',
Tetraploid 'Cardinal,
Tetraploid 'Comte de Flandre',
Tetraploid 'Corneille',
Tetraploid 'Directeur Charles Baumann',
Tetraploid 'Durante Alle',
Tetraploid 'Electum',
Tetraploid 'Eugénie',
Tetraploid 'Fénelon',
Tetraploid 'Flameola Incarnata',
Tetraploid 'Héroine Plena,
Tetraploid 'Heureuse Surprise',
Tetraploid 'Hollandia',
Tetraploid 'Hora',
Tetraploid 'Ignacea',
Tetraploid 'Igneum Novum',
Tetraploid 'Il Tasso',
Tetraploid 'Jenny Lind',
Tetraploid 'Juliana Nova',
Tetraploid 'Julius Caesar',
Tetraploid 'Leibuir',
Tetraploid 'Lelia',
Tetraploid 'Madame Gustave Guillemot',
Tetraploid 'Marie Verschaffelt',
Tetraploid 'Minerva',
Tetraploid 'Nancy Waterer',
Tetraploid 'Oscar I',
Tetraploid 'Perfecta',
Tetraploid 'Princesse d' Orange',
Tetraploid 'Raphael de Smet'
Source: Kristian Theqvist
John and Sally Perkins
