H: Thursday, October 06, 2011

"Speciosum Yellow #3" is a Tetraploid

Rhododendron "Speciosum Yellow #3" 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.

Clearly Rhododendron "Speciosum Yellow #3" is not straight Rhododendron flammeun.

Summary of Ploidy Levels

Diploid Rhododendron flammeun,
Tetraploid "Speciosum Yellow #3"

Source: Rarefind Nursery

John and Sally Perkins
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