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The paper presents the results of a biometrical study on the leaves of vegetative and generative shoots of Morus alba. Mature leaves were collected from the green areas of Poznań (Poland) city. Leaves from vegetative shoots were collected from 34 sites. Leaves from generative shoots were collected from specimens with blackish purple or purple fruit (13 trees) and with pale yellow to creamy fruit (21...
The article presents results of research on the micromorphology and anatomy of leaves of Morus alba cultivars. Mature leaves from generative shoots were collected in the Cytadela Park in Poznań and from trees planted along streets in different towns in the Wielkopolska region. A light microscope and a scanning electron microscope were used for observations. There were significant differences between...
The article presents the results of research on the morphology and anatomy of the leaves of 21 cultivars (including 10 Polish cultivars) and two clones of Ginkgo biloba. Leaves from long shoots were collected at the Department of Dendrology and Nursery, Poznań University of Life Sciences, Poland. A light microscope and scanning electron microscope were used for observations. Eight morphological traits...
A comparative morphological and anatomical study on the petioles and lamina of 22 taxa (species, subspecies and cultivars) of the genus Philodendron (subgenera Meconostigma, Pteromischum and Philodendron) has been made in order to investigate interspecific differences which may be useful in species identification. All species have bifacial leaves with petioles, amphistomatic with a strongly reduced...
The leaf epidermis of 36 taxa (species, subspecies, varieties and cultivars) of the genus Ficus (subgenera Ficus, Synoecia, Sycomorus, Pharmacosycea and Urostigma) was observed under LM and SEM. Characteristics of the epidermis are of particular taxonomic as well as phylogenetic interest because they differ conspicuously between species. The differences are especially prominent in the size and shape...
The paper reports results of a study on the variability of six morphological features of leaves of Chamaedaphne calyculata (L.) Moench, collected at nine sites in Poland and two abroad. The size of the leaves was found to be strongly dependent on the habitat conditions and was the parameter determining the division into ecophenotypic groups. A linear relation was observed between the length and the...
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