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Chromosome numbers in some south african species of linum linaceae



Chromosome numbers in some south african species of linum linaceae



Journal of South African Botany 49(3): 181-184



Chromosome numbers of 5 (of 14) spp. [Linum acuticarpum, L. africanum, L. comptonii, L. gracile, L. heterostylum]of section Linopsis of the genus Linum of South Africa were counted. Gross morphological features indicated that the South African species were more or less intermediate between species of the Mediterranean region and those of the New York characterized by base chromosome numbers of x=9 (Old World) of x = 18 (New World). The South African species examined, however, have a base chromosome number of x=15 and some doubt is raised as to their exact position in the section.

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