ArticleAnnals of botany2009
Ecology and genetic diversity of the dense-flowered orchid, Neotinea maculata, at the centre and edge of its range.
Article in Annals of botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Spatially biased collections and the failure to cover all wild genetic clusters in plant populations underPlant diversity · 2026Article
- Transcriptome characterization and population genetics ofBiodiversity data journal · 2026Article
- New insights into polyploid evolution and dynamic nature of Ludwigia section Isnardia (Onagraceae).Botanical studies · 2023Article
- Genetic diversity and population structure of the endangered orchid Pelatantheria scolopendrifolia (Orchidaceae) in Korea.PloS one · 2020Article
- The influence of a relict distribution on genetic structure and variation in the Mediterranean tree,AoB PLANTS · 2019Article
- High levels of effective long-distance dispersal may blur ecotypic divergence in a rare terrestrial orchid.BMC ecology · 2014Article
- Highest genetic diversity at the northern range limit of the rare orchid Isotria medeoloides.Heredity · 2012Article
- Orchid biology: from Linnaeus via Darwin to the 21st century. Preface.Annals of botany · 2009Article
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6 authors.
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Abstract
BACKGROUND AND
aimsSpecies may occur over a wide geographical range within which populations can display large variation in reproductive success and genetic diversity. Neotinea maculata is a rare orchid of conservation concern at the edge of its range in Ireland, where it occurs in small populations. However, it is relatively common throughout the Mediterranean region. Here, factors that affect rarity of N. maculata in Ireland are investigated by comparing Irish populations with those found in Italy, where it is more common.
methodsVegetation communities, breeding system and genetic diversity were compared using three amplified fragment length polymorphism (AFLP) primer pairs in populations in Ireland and Italy. Vegetation was quantified using quadrats taken along transects in study populations, and hand pollination experiments were performed to assess reliance of N. maculata on pollinators in both Irish and Italian populations. KEY
resultsNeotinea maculata occupies different vegetation communities in Italian and Irish populations. Breeding system experiments show that N. maculata is 100 % autogamous, and there are no differences in fruit and seed production in selfed, outcrossed and unmanipulated plants. AFLP markers revealed that Irish and Italian populations have similar genetic diversity and are distinct from each other.
conclusionsNeotinea maculata does not suffer any negative effects of autogamous reproduction; it self-pollinates and sets seed readily in the absence of pollinators. It occupies a variety of habitats in both Ireland and Italy; however, Irish populations are small and rare and should be conserved. This could be due to climatic factors and the absence of suitable soil mycorrhizas to allow recruitment from seed.
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