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Wyszukujesz frazę "Jakubska-Busse, A." wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    The pollination of Epipactis Zinn, 1757 (Orchidaceae) species in Central Europe – the significance of chemical attractants, floral morphology and concomitant insects
    Autorzy:
    Jakubska-Busse, A.
    Kadej, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/58676.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    pollination
    Orchidaceae
    Central Europe
    significance
    chemical attractant
    flora
    morphology
    concomitant insect
    Epipactis
    autogamy
    geitonogamy
    pollinator
    orchid
    nectar composition
    Epipactis atrorubens
    Epipactis purpurata
    Epipactis palustris
    Opis:
    A series of studies on pollination biology of the Epipactis atrorubens (Hoffm.) Besser, E. purpurata Sm., and E. palustris (L.) Crantz populations was conducted in Poland, Lithuania and Czech Republic between 2003 and 2010. The research focused on pollinators and visitors to aforementioned orchid species as well as on the chemical analysis of orchids’ nectar which was done using the GC/MS method. It was found that: 1) the type of pollinators depends on the orchid population size and the surrounding environment, where the temperature and amount of precipitation during the vegetative season are the most vital factors; 2) pollinators and visitors to the examined orchids might differ in successive growing seasons; 3) the studied Epipactis species differ in the chemical composition of their nectar and its scent, which can influence their pollination biology; 4) the tendency to autogamy observed in E. purpurata might be due to lack of pollinators in its habitats.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2011, 80, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological variability of Helleborines. I. Diagnostic significance of morphological features in Epipactis helleborine (L.) Crantz, Epipactis atrorubens (Hoffm.) Besser and their hybrid, Epipactis x schmalhausenii Richt. (Orchidaceae, Neottieae)
    Autorzy:
    Jakubska-Busse, A.
    Gola, E.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/56652.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    morphological variability
    Helleborines
    diagnostic significance
    morphological feature
    Epipactis helleborine
    Epipactis atrorubens
    hybrid
    Epipactis x schmalhausenii
    Orchidaceae
    Neottieaeleaf
    plant morphology
    papilla
    hybridization
    Opis:
    The comparative analysis of leaf morphology was performed in E. helleborine (L.) Crantz, E.atrorubens (Hoffm.) Besser, and their interspecific hybrid, Epipactis ×schmalhausenii Richt. The aim of this research was to find out features that would be useful in the taxonomy of the genus Epipactis, and particulary their taxa of hybrid origin. In course of the studies special attention was paid to leaf morphology, mostly to their margins, presence of papillae, their shape and size, and to leaf structure. The thickness of the leaf blades manifested by number of spongy mesophyll cell layers, size of vascular bundles and the level of leaf sclerification were compared in the hybrid and both parental species. In E. helleborine and E. atrorubens the analyzed features were highly variable, especially in the former species, which is characterized by wide phenotypic plasticity. Morphological and anatomical features in E. ×schmalhausenii showed a transitional character to the parental species. Our results suggest that a single feature can not be of taxonomic value, but the combination of different traits has to be considered when distinguishing parental and hybrid taxa.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Epitypification of the name Epipactis purpurata Sm. (Orchidaceae, Neottieae)
    Autorzy:
    Jakubska-Busse, A.
    Zolubak, E.
    Prockow, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/58658.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    The identity of the holotype of Epipactis purpurata Sm. is shown to be demonstrably ambiguous because all its flowers are at the budding stage (pre-anthesis); thus, no crucial diagnostic characters are visible, i.e., gynostemium morphology and undulations of margins of the labella and their shape and color. This way, the specimen is almost identical with several species of Epipactis genus (E. purpurata group) and including morphologically variable Epipactis helleborine, as many plants of the latter species can have similar combinations of characters like the holotype (i.e., small leaves and a robust stem even in the inflorescence). Thus, an epitype for the name Epipactis purpurata Sm. is proposed (M 257866) in order to enable its precise taxonomic interpretation and achieve nomenclatural stability.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2017, 86, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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