ArticleAnnals of botany2012
Biased morph ratios and skewed mating success contribute to loss of genetic diversity in the distylous Pulmonaria officinalis.
Article in Annals of botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- When recreational infrastructure contributes to endangered species conservation: genetic evaluation of translocated Primula vulgaris (Primulaceae) populations in a golf course area.Annals of botany · 2026Article
- Heterostylous plants in an era of global change: a review on the consequences of habitat loss and fragmentation.AoB PLANTS · 2025Review
- Genetic diversity and population structure analysis of Forsythia ovata, a Korean endemic, based on genotyping-by-sequencing.PloS one · 2025Article
- Ecological correlates of population genetics inAoB PLANTS · 2024Article
- Development of highly polymorphic microsatellite markers for Campanula glomerata L. (Campanulaceae).Molecular biology reports · 2022Article
- Life in the desert: The impact of geographic and environmental gradients on genetic diversity and population structure ofEcology and evolution · 2021Article
- The relative contribution of natural landscapes and human-mediated factors on the connectivity of a noxious invasive weed.Heredity · 2019Article
- Both morph- and species-dependent asymmetries affect reproductive barriers between heterostylous species.Ecology and evolution · 2016Article
- Clonal growth is enhanced in the absence of a mating morph: a comparative study of fertile stylar polymorphic and sterile monomorphic populations of Nymphoides montana (Menyanthaceae).Annals of botany · 2014Article
- Differences in fine-scale spatial genetic structure across the distribution range of the distylous forest herb Pulmonaria officinalis (Boraginaceae).BMC genetics · 2013Article
- The role of short-tongued insects in floral variation across the range of a style-dimorphic plant.Annals of botany · 2013Article
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4 authors.
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Abstract
BACKGROUND AND
aimsIn heterostylous plant species, skewed morph ratios are not uncommon and may arise from a range of factors. Despite the recognized importance of skewed morph ratios on overall reproductive success within populations, little is known about the impact of skewed morph ratios on population genetic diversity and differentiation in heterostylous species. This study specifically aimed to clarify the effect of population size and morph bias on population genetic diversity and differentiation in the temperate forest herb Pulmonaria officinalis. This species is characterized by a distylous breeding system and shows morph-specific differences in reproductive success.
methodsGenetic diversity was determined for 27 P. officinalis populations in northern Belgium by using eight recently developed microsatellite markers. Multiple regressions were used to assess the relationship between genetic diversity, morph bias and population size, and F(ST)-values were calculated for short- and long-styled morphs separately to study genetic differentiation as a function of morph type. KEY
resultsFor all genetic measures used, morph bias was more important in explaining patterns of genetic diversity than population size, and in all cases patterns of population genetic diversity followed a quadratic function, which showed a symmetrical decrease in genetic diversity with increasing morph bias. However, probably due to the reproductive advantage of L-morphs relative to S-morphs, maximum genetic diversity was found in populations showing an excess of L-morphs (60·7 % L-morph). On the other hand, no significant difference in pairwise genetic distances between populations was observed between L- (0·107) and S-morphs (0·106).
conclusionsOur results indicate that significant deviations from equal morph ratios not only affect plant reproductive success but also population genetic diversity of heterostylous plant species. Hence, when defining conservation measures for populations of heterostylous plant species, morph ratios should be considered as an important trait affecting their long-term population viability.
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