Comparing 19 week old seed plants of the cross R. tomentosum x cinnabarinum and R. tomentosum x groenlandicum to wild collected R. tomentosum

On the right is one of the tomentosum x cinnabarinum seed plants and on the left tomentosum CW. More of these can be seen by clicking on the small pictures on lower left.

R. tomentosum CW seed plants
tomentosum CW 1 tomentosum CW 2 tomentosum CW 3 tomentosum CW 4 tomentosum CW 5 tomentosum CW 6 R. tomentosum chromosome count tetraploid (2n = 52)

R. tomentosum x R. cinnabarinum seed plants

tomentosum x cinnabarinum 1 tomentosum x cinnabarinum 2 tomentosum x cinnabarinum 3 tomentosum x cinnabarinum 4 tomentosum x cinnabarinum 5 tomentosum x cinnabarinum 6 tomentosum x cinnabarinum 7 tomentosum x cinnabarinum 8 tomentosum x cinnabarinum 9 tomentosum x cinnabarinum 10 tomentosum x cinnabarinum 11 tomentosum x cinnabarinum 12 R. tomentosum chromosome count tetraploid (2n = 52) and cinnabarinum hexaploid (2n = 78)

R. tomentosum x R. groenlandicum seed plants
tomentosum x groenlandicum 1 tomentosum x groenlandicum 2 tomentosum x groenlandicum 3 tomentosum x groenlandicum 4 tomentosum x groenlandicum 5 tomentosum x groenlandicum 6 tomentosum x groenlandicum 7 tomentosum x groenlandicum 8 R. tomentosum chromosome count tetraploid (2n = 52) and groenlandicum diploid (2n = 26)