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Wyszukujesz frazę "Rutkowska, L." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-4 z 4
    Tytuł:
    SEM and stereoscope microscope observations on the seeds of the Polish species of the genus Sorbus L. [Rosaceae]
    Autorzy:
    Maciejewska-Rutkowska, I
    Bednorz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/57855.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Rosaceae
    Sorbus
    botany
    morphology
    stereoscope microscope
    scanning microscope
    seed
    Opis:
    This paper presents the results of the study on seed morphology of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz). Observations and measurements were carried out with stereoscope and scanning microscopes. Four types of seed microsculpture were distinguished on the ground of SEM observations. The key to determine Polish species, based on morphological characters of seeds is given too.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2004, 73, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollen morphology of the Polish species of the genus Sorbus L.
    Autorzy:
    Bednorz, L
    Maciejewska-Rutkowska, I.
    Wronska-Pilarek, D.
    Fujiki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/59342.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Sorbus chamaemespilus
    pollen grain
    Sorbus aucuparia
    Sorbus aria
    Sorbus
    botany
    Sorbus intermedia
    pollen morphology
    palynotaxonomy
    Polish species
    Sorbus torminalis
    Opis:
    This paper presents the results of the study on pollen morphology of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz). Observations were carried out with light and scanning microscopes. Investigated pollen grains were small or medium size, most often subprolate or prolate spheroidal in outline. Exine of medium thickness, consisted of two layers. Mainly 3-zonocolporate or sometimes 4-zonocolporate (S. chamaemespilus and S. torminalis) grains were noted. Usually striatae type of sculpture was observed, except the grains of S. intermedia, which were characterized by intermediate type of sculpture, with the features both striate and regulate ornamentation. Pollen morphology of the investigated Sorbus species corresponds with their systematic classification. It is relatively easy to separate pollen grains of the following subgenera: Sorbus, Chamaemespilus and Torminaria. Only subgenus Aria includes grains of different morphology and therefore it is impossible to determine the diagnostic features of this subgenus. Pollen morphology does not confirm a close relationship between S. aria and S. intermedia. It is possible to distinguished pollen grains of all the analysed native species. However, there are no important differences in pollen morphology between the subspecies of Sorbus aucuparia. The key for Polish Sorbus species, based on pollen grain characters is given too.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Variation of seed morphology of Trollius europaeus L. and Trollius altissimus Crantz [Ranunculaceae]
    Autorzy:
    Antkowiak, W
    Maciejewska-Rutkowska, I.
    Jagodzinski, A.M.
    Kayzer, D.
    Klimko, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/57408.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    variation
    seed
    morphology
    Trollius europaeus
    Trollius altissimus
    Ranunculaceae
    Opis:
    The aim of this study was to investigate seed morphology and intra- and inter-population variation of seeds of Trollius europaeus L. and Trollius altissimus Crantz., two controversial species regarding their taxonomical position. We analyzed seed-coat microsculpture and some biometrical traits (length and width, width/length ratio, volume and projected perimeter). Seed sculpture did not differ between species, but seeds of T. altissimus were usually larger than seeds of T. europaeus. Although species differed significantly in seed morphology, it was possible to show the populations of both species that were similar regarding the analyzed seed traits. We noted a significant inter-population differentiation of seeds in both species with respect to seed-coat microornamentation and biometrical traits. We conclude that T. europaeus and T. altissimus are probably not two distinct species, but T. europaeus should be divided into two lower taxa in the rank of variety or subspecies.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 2; 117-123
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SEM observations of pollen grains, fruits and seeds of the Pieniny Mountains [South Poland] endemic species Erysimum pieninicum [Zapal.] Pawl. [Brassicaceae]
    Autorzy:
    Maciejewska-Rutkowska, I
    Bednorz, L.
    Fujiki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/58978.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    electron microscope
    Erysimum pieninicum
    fruit morphology
    Polska
    seed morphology
    botany
    pollen morphology
    Brassicaceae
    Pieniny Mountains
    forest
    endemic species
    Opis:
    Erysimum pieninicum (Zapał.) Pawł. (Brassicaceae) is an endemic species, growing only in Pieniny Mts. The aim of the presented work was to investigate its pollen morphology as well as its ultrastructural traits of pericarp and seed-coat. Pollen grains of this species were of small size, 3-zonocolpate with reticulate ornamentation. The external siliqua surface was of rugose sculpture, covered by numerous, stellate hairs. The internal surface of the fruit was naked and characterized by striate sculpture. The seed-coat ornamentation of E. pieninicum was of blister type.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2007, 76, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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