You are here
First record of a triploid Sorbus torminalis (Rosaceae) in Britain
Congratulations to Tracy Hamston for getting out her first paper in the Botanical Society's New Journal of Botany reporting the first record of a triploid Sorbus torminalis (Rosaceae) in Britain.
The genus Sorbus L. is known for its complex taxonomy involving many polyploid species. However, Sorbus torminalis (L.) Crantz has long been assumed to be uniformly diploid. An analysis of DNA content using flow cytometry revealed a triploid individual within 0.5 km of tetraploid S. devoniensis at South Tawton, Devon. The leaf morphology suggests the novel Sorbus to be a spontaneous S. torminalis triploid rather than the result of interspecific hybridisation.
T. J. Hamston, J. Pellicer, M. F. Fay (in press) Polyploid wild service tree: first record of a triploid Sorbus torminalis (Rosaceae) in Britain.
- 3983 reads
The University of Exeter, The Queen's Drive, Exeter, Devon, UK EX4 4QJ
Copyright and Disclaimer