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SEM observations of pollen grains, fruits and seeds of the Pieniny Mountains (South Poland) endemic species Erysimum pieninicum (Zapał.) Pawł. (Brassicaceae)

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Author(s): Irmina Maciejewska | Leszek Bednorz | Toshiyuki Fujiki

Journal: Acta Societatis Botanicorum Poloniae
ISSN 0001-6977

Volume: 76;
Issue: 2;
Start page: 127;
Date: 2007;
Original page

Keywords: Erysimum pieninicum | endemic species | pollen morphology | fruit morphology | seed morphology | SEM

ABSTRACT
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.
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