0000000001100946

AUTHOR

Andreas Pohl

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Chloroplast DNA and isozyme evidence on the evolution ofSenecio vulgaris (Asteraceae)

1997

Chloroplast DNA (cpDNA) and isozyme variation were analyzed over a range of populations of two infraspecific taxa of the tetraploidSenecio vulgaris. The isozyme data were supportive of the hypothesis that the weedy and cosmopolitanS. vulgaris var.vulgaris is an evolutionary derivative ofS. vulgaris subsp.denticulatus from the coasts of W Europe and montane altitudes in S Spain and Sicily. The two taxa exhibited a very high genetic identity with subsp.denticulatus containing slightly more isozyme diversity than was found in var.vulgaris. — Three cpDNA haplotypes (A, B, C) already known from other Mediterranean diploid species ofSenecio were resolved in var.vulgaris, and an additional fourth …

Genetic diversityChloroplast DNAbiologyChloroplast captureRange (biology)BotanyHaplotypeSenecio vulgarisIntrogressionPlant SciencePloidybiology.organism_classificationEcology Evolution Behavior and SystematicsPlant Systematics and Evolution
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