Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXV, Issue 1
Written by Monica ENACHE, Silvana Mihaela DĂNĂILĂ-GUIDEA, Marius HANGAN
Due to their morphological characteristics such as: tetramerous, actinomorphic or zygomorphic flowers that are arranged in racemes, spikes, or panicles, simple, opposite or alternate leaves, lanceolate in shape, a capsule or, rarely, a berry fruit, very small seeds that have in some genera, tufts of hairs, the Onagraceae species are considered easy to recognize in the field. Some of the species found in Romania are well known melliferous plants, popular ornamental plants, ruderal plants or plants that have been used in traditional medicine. Different genera have pollen grains that have different morphological characteristics such as the shape, size, the apertures and the surface patterns, but in many genera they are held together by viscin threads that make the pollen sticky. Although modern techniques of pollen analysis include electron microscopy, most pollen studies also use conventional light microscopy. In the present study, images of hydrated pollen from Fuchsia magellanica 'Alice Hoffman', Oenothera biennis (common evening-primrose) and Epilobium parviflorum (small-flowered willowherb) were provided by light microscopy and were compared to the descriptions found in the literature.
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