Rhododendron colemanii has been determined to be a tetraploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca Oliveira, 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 colemanii was also determined to be a tetraploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Tetraploid Rhododendron atlanticum,
Tetraploid Rhododendron austrinum,
Tetraploid Rhododendron calendulcaeum,
Tetraploid Rhododendron colemanii,
Tetraploid Rhododendron colemanii "Coleman's May Pink",
Tetraploid Rhododendron luteum,
Tetraploid Rhododendron "pink austrinum"
Source: John Thornton
John and Sally Perkins
