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Intra- and interspecific pollen morphology variation of invasive Reynoutria taxa (Polygonaceae) in their response to different habitat conditions

cris.lastimport.scopus2025-10-23T06:59:53Z
cris.virtual.author-orcid0000-0003-2542-4953
cris.virtual.author-orcid0000-0002-1370-7625
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cris.virtualsource.author-orcid86de7053-c0cc-4a23-960c-fd3908659acc
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dc.abstract.enAlthough understanding the relationship between the reproductive mode and mass-dispersal potential of plants is crucial for studying invasion phenomena, the morphological features of invasive species’ pollen are not well understood. This study examined the pollen morphology and variability of three Reynoutria (knotweed) taxa (R. japonica, R. sachalinensis, R. × bohemica) invasive in Europe, and their reaction to different habitat conditions within seven distinguished habitat types. The pollen was sourced from 95 sites from the taxa’s invasive range in Central Europe. In total, 2850 pollen grains were measured and analysed for 11 quantitative and qualitative features. The pollen of R. sachalinensis was distinguished from that of the other two taxa (reticulate perforate) based on its rugulate and fossulate perforate exine ornamentation. The pollen’s response to various habitat conditions, which was most marked in R. × bohemica, was reflected by pollen size and exine thickness. Our research indicates that pollen availability is not a limiting factor for the sexual reproduction of knotweeds in Central Europe, including Reynoutria japonica, long considered male sterile. The observed presence of male-fertile specimens of R. japonica may enhance the efficiency of generative reproduction in this species throughout its invaded ranges. This finding should be considered when planning actions to control the population of these transformer plant species.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Botaniki i Siedliskoznawstwa Leśnego
dc.affiliation.instituteKatedra Zoologii
dc.contributor.authorWiatrowska, Blanka
dc.contributor.authorDylewski, Łukasz
dc.contributor.authorBzdęga, Katarzyna
dc.contributor.authorTokarska-Guzik, Barbara
dc.contributor.authorDajdok, Zygmunt
dc.contributor.authorGobber, Agata
dc.contributor.authorWrońska-Pilarek, Dorota
dc.date.access2025-05-22
dc.date.accessioned2025-05-22T08:53:14Z
dc.date.available2025-05-22T08:53:14Z
dc.date.copyright2025-03-27
dc.date.issued2025
dc.description.abstract<jats:p>Although understanding the relationship between the reproductive mode and mass-dispersal potential of plants is crucial for studying invasion phenomena, the morphological features of invasive species’ pollen are not well understood. This study examined the pollen morphology and variability of three <jats:italic>Reynoutria</jats:italic> (knotweed) taxa (<jats:italic>R. japonica</jats:italic>, <jats:italic>R. sachalinensis</jats:italic>, R. × bohemica) invasive in Europe, and their reaction to different habitat conditions within seven distinguished habitat types. The pollen was sourced from 95 sites from the taxa’s invasive range in Central Europe. In total, 2850 pollen grains were measured and analysed for 11 quantitative and qualitative features. The pollen of <jats:italic>R. sachalinensis</jats:italic> was distinguished from that of the other two taxa (reticulate perforate) based on its rugulate and fossulate perforate exine ornamentation. The pollen’s response to various habitat conditions, which was most marked in R. × bohemica, was reflected by pollen size and exine thickness. Our research indicates that pollen availability is not a limiting factor for the sexual reproduction of knotweeds in Central Europe, including <jats:italic>Reynoutria japonica</jats:italic>, long considered male sterile. The observed presence of male-fertile specimens of <jats:italic>R. japonica</jats:italic> may enhance the efficiency of generative reproduction in this species throughout its invaded ranges. This finding should be considered when planning actions to control the population of these transformer plant species.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,8
dc.description.points140
dc.description.versionfinal_published
dc.description.volume98
dc.identifier.doi10.3897/neobiota.98.138657
dc.identifier.eissn1314-2488
dc.identifier.issn1619-0033
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2799
dc.identifier.weblinkhttps://www.sciencedirect.com/org/science/article/pii/S1619003325000192
dc.languageen
dc.pbn.affiliationbiological sciences
dc.relation.ispartofNeoBiota
dc.relation.pages61-92
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enFallopia
dc.subject.enhabitats
dc.subject.eninvasive plant species
dc.subject.enpollen morphology
dc.subject.enpollen variability
dc.subject.enReynoutria
dc.subject.enSEM
dc.titleIntra- and interspecific pollen morphology variation of invasive Reynoutria taxa (Polygonaceae) in their response to different habitat conditions
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume98