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Allozyme diversity in the tetraploid endemic Thymus loscosii (Lamiaceae).
TLDR
Allozyme data support the hypothesis that T. loscosii is an autotetraploid, and the high number of alleles at some loci may be due to repeated polyploidization events, which agree with those expected for tetraploids.
Genetic diversity in the endangered dysploid larkspur Delphinium bolosii and its close diploid relatives in the series Fissa of the Western Mediterranean area
TLDR
It is suggested that, apart from population size and local adaptation, genetic diversity during speciation may have been promoted by dysploidy through genomic recombination in Delphinium bolosii.
Pollination ecology and breeding system of the very narrow coastal endemic Seseli farrenyi (Apiaceae). Effects of population fragmentation
The reproductive biology of Seseli farrenyi (Apiaceae), a very narrow endemic to Cape Creus (Catalonia, Spain), including flowering timing patterns, quantity and quality of pollination services (type
Can the preservation of historical relicts permit the conservation of endangered plant species? The case of Silene sennenii (Caryophyllaceae)
TLDR
Low levels of genetic variation were detected in the critically endangered Silene sennenii, a narrow endemic plant species found in northeastern Catalonia (Spain), and moderate to high levels of inbreeding were also found.
Pollination ecology of the pre‐Pyrenean endemic Petrocoptis montsicciana (Caryophyllaceae): effects of population size
TLDR
An increase of spontaneous selfing rates in the small population is suggested, probably favoured by a smaller flower size, which can not only assure reproductive success when pollinators are scarce, but also provide additional potential to adapt to climatic changes.
Nocturnal pollination of the endemic Silene sennenii (Caryophyllaceae): an endangered mutualism?
TLDR
Differences among populations are observed in visitation rates and reproductive success, which indicates that the system composed by the plant and its pollinators show evidences of disruption in some populations.
The ‘paradigm of extremes’: extremely low genetic diversity in an extremely narrow endemic species, Coristospermum huteri (Umbelliferae)
TLDR
This work uses allozyme electrophoresis to survey the genetic variability of Coristospermum huteri, an endemic species from the island of Majorca with a single natural population of about 100 individuals and finds that a founder effect associated with a dispersal event from the continent is probably behind the lack of genetic diversity.
Effects of Habitat Fragmentation on Allozyme Diversity and Conservation Status of the Coastal Sand Dune Plant Stachys maritima (Lamiaceae) in the Iberian Peninsula
TLDR
Allozyme electrophoresis was used to evaluate levels and distribution of genetic diversity in Iberian populations of the threatened coastal sand dune plant Stachys maritima (Lamiaceae), finding low values of diversity can be related to small population size and isolation of populations.
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