Allopolyploidy in Sphagnum mendocinum and S. papillosum (Sphagnaceae)

This study provides the first report that Sphagnum mendocinum (Sphagnum section Cuspidata) and S. papillosum (Sphagnum section Sphagnum) are allopolyploids. Sphagnum mendocinum is an intersectional allopolyploid, with parental species from Sphagnum sections Cuspidata and Subsecunda. It is the third...

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Bibliographic Details
Published in:The Bryologist 2010-03, Vol.113 (1), p.114-119
Main Authors: Karlin, Eric F, Gardner, Graeme P, Lukshis, Katelyn, Boles, Sandra, Shaw, A. Jonathan
Format: Article
Language:English
Subjects:
Allopolyploid
Allopolyploidy
Bryophytes
Diploidy
Gametophytes
Haploidy
intersectional allopolyploid
Microsatellite repeats
Microsatellites
Plants
Ploidies
Species
Sphagnaceae
Sphagnum
Sphagnum mendocinum
Sphagnum papillosum
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Summary:This study provides the first report that Sphagnum mendocinum (Sphagnum section Cuspidata) and S. papillosum (Sphagnum section Sphagnum) are allopolyploids. Sphagnum mendocinum is an intersectional allopolyploid, with parental species from Sphagnum sections Cuspidata and Subsecunda. It is the third intersectional alloploid species reported for Sphagnum. The gametophytically allodiploid cytotype of S. papillosum was detected in Europe, North America, and Japan. It appears to be the predominant, if not the only, cytotype for this species. Our results may warrant re-examination of the report of a haploid (n  =  x) cytotype for S. papillosum.
ISSN:0007-2745
1938-4378
DOI:10.1639/0007-2745-113.1.114