Rhododendron "Parks Pink", which is a Joe Parks hybrid, has been determined to be a triploid 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 "Parks Pink", similar to many triploid deciduous azaleas, appears to be both seed and pollen sterile.
Summary of Ploidy Levels
Triploid "Parks Pink"
Source: John and Sally Perkins
John and Sally Perkins
