A deciduous azalea hybrid in a native population in Dawsonville, Georgia 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.
This Dawsonville population contains Rhododendron arborescens, Rhododendron canescens, Rhododendron periclymenoides, and Rhododendron calendulaceum.
Summary of Ploidy Levels
Diploid Rhododendron arborescens
Diploid Rhododendron canescens
Diploid Rhododendron periclymenoides
Triploid 1 deciduous azalea hybrid in Dawsonville population
Tetraploid Rhododendron calendulaceum
Source: Dawsonville population
Source: Charles Andrews
John and Sally Perkins
