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Pollen morphology of three invasive Impatiens species in Europe under varying habitat conditions—a case study from Poland

cris.virtual.author-orcid0000-0003-2431-6192
cris.virtual.author-orcid0000-0002-7362-0409
cris.virtual.author-orcid0000-0001-8841-9970
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cris.virtual.author-orcid0000-0003-2542-4953
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cris.virtualsource.author-orcidf8339d4e-43de-440c-8f15-8d8733551e50
cris.virtualsource.author-orcid8116d641-93b1-493d-ad00-65eba66593c4
cris.virtualsource.author-orcidd0990805-e440-4a16-9390-ca702683f45e
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dc.abstract.enThe effect of the habitat conditions on the pollen features of invasive species has not been studied so far, and may affect the quality of their generative reproduction and contribute to the development of more effective methods of their control. Three species invasive in Europe and Poland were selected for the study - Impatiens parviflora DC., Impatiens glandulifera Royle and Impatiens capensis Meerb. The morphology and intraspecific variability of pollen grains in three Impatiens species growing under different habitat conditions were examined. Specimens were sampled from 198 sites throughout Poland, covering 10 ecologically distinct habitat types. In total, 5940 pollen grains were analysed in respect to the length of the polar axis (P), equatorial diameter (E), exine thickness (Exp), P/E, Exp/P ratios, and exine ornamentation and ectocolpi arrangement. Our research showed that the three studied species can be distinguished based on their palynomorphology. The most important traits were: exine ornamentation and ectocolpi arrangement, pollen size (P, E) and exine thickness (Exp). A relationship between the habitat conditions prevailing in the analysed habitats and the pollen grain characteristics was found, especially in I. glandulifera. In this species pollen size (P, E) increases in the optimal habitat conditions such as edges of reservoirs and watercourses, and decreases in the suboptimal habitat conditions such as anthropogenic habitats. A similar pattern is observed in I. parviflora, where optimal habitats such as mesic mixed coniferous forest favour larger pollen grains, whereas suboptimal habitats like swamp forest are associated with reduced pollen size. In I. capensis, optimal conditions also correspond to edges of watercourses, while suboptimal conditions include swamp forest. Additionally, exine thickness (Exp) may represent an adaptive trait, reflecting plant response to growth and development in unfavorable environments.
dc.abstract.pl.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliation.instituteKatedra Botaniki i Siedliskoznawstwa Leśnego
dc.affiliation.instituteKatedra Metod Matematycznych i Statystycznych
dc.contributor.authorWrońska-Pilarek, Dorota
dc.contributor.authorLechowicz, Kacper
dc.contributor.authorBanaś, Konrad
dc.contributor.authorMyśliwy, Monika
dc.contributor.authorTokarska-Guzik, Barbara
dc.contributor.authorKrzysztofiak, Lech
dc.contributor.authorWiatrowska, Blanka
dc.date.access2025-01-15
dc.date.accessioned2026-01-15T12:12:02Z
dc.date.available2026-01-15T12:12:02Z
dc.date.copyright2025-12-13
dc.date.issued2025
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_research
dc.description.financecost9537,21
dc.description.versionfinal_published
dc.identifier.doi10.1038/s41598-025-32427-7
dc.identifier.issn2045-2322
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/6891
dc.identifier.weblinkhttps://www.nature.com/articles/s41598-025-32427-7
dc.languageen
dc.pbn.affiliationagriculture and horticulture
dc.relation.ispartofScientific Reports
dc.rightsCC-BY-NC-ND
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enImpatiens parviflora
dc.subject.enI. glandulifera
dc.subject.enI. capensis
dc.subject.eninvasive alien species
dc.subject.enpollen morphology
dc.subject.enpollen size
dc.subject.enP/E
dc.subject.enhabitat conditions
dc.subtypeArticleEarlyAccess
dc.titlePollen morphology of three invasive Impatiens species in Europe under varying habitat conditions—a case study from Poland
dc.typeJournalArticle
dspace.entity.typePublication