These were somatic cell chromosome counts? Where did the cell samples come from? Root tip? Scale? Are only wide interdivisional crosses unstable? eg. would a regular 2n species show any such variation?
Woah... how is it even possible for an individual to be composed of mature cells of varying ploidy? Are all interdivisionals chimeras? If the 2n, 3n and 4n cell groups could be isolated from each other, would they be geneticaliy different? (As in, be composed of overlapping but distinctly different sets of chromosomes to those of the other ploidies?) Are the 4n necessarily a doubling of the 2n chromosomes present, or are some different chromosomes represented? Are all the 2n cells identical? What chromosomes are represented in the 3n group?
Is that even what the data meant - maybe I misunderstood?
