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THE DISTRIBUTION OF INTRASPECIFIC CHROMOSOME RACES OF HIPPOCREPIS COMOSA L. AND THEIR PHYTOGEOGRAPHICAL SIGNIFICANCE
Author(s) -
Fearn Gillian M.
Publication year - 1972
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1972.tb02000.x
Subject(s) - polyploid , intraspecific competition , glacial period , ploidy , biology , race (biology) , chromosome , ecology , chromosome number , evolutionary biology , geography , zoology , botany , karyotype , genetics , paleontology , gene
S ummary Results of a cytological survey of Hippocrepis comosa are reported and the geographical and ecological distribution of the three chromosome races, two of which occur in Britain, is described. Reasons for the restricted distribution of the diploid race are proposed and the probable post‐glacial history of both British races is discussed. This intraspecific polyploidy is related to the evolution of a polyploid complex.