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Leaf Epidermis Traits as Tools to Identify Solidago L. Taxa in Poland

Magdalena Szymura Karol Wolski

Acta Biologica Cracoviensia s. Botanica | 2011 | vol. 53 | No 1 | DOI: 10.2478/v10182-011-0006-3

Keywords Solidago leaves anatomy micromorphology stomata trichomes

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Abstract

We used via light and scanning electron microscopy to study the leaf epidermis of five Solidago taxa from south-western Poland. Light microscopy was employed to describe the epidermal surface, including stomatal types, the shape of epidermal cell walls, stomatal density, the distribution of stomata between the abaxial and adaxial epidermis, and stomatal guard cell length. From these observations we calculated the stomatal index (SI) and stomatal ratio (SR) as the basis for defining the type of leaf. From LM of transverse sections of leaf we described mesophyll structure, the presence of secretory canals, adaxial and abaxial epidermis thickness, and leaf thickness. We examined cuticular ornamentation, trichome features and epicuticular secretions by SEM. As determined by discriminatory analysis, the most important traits distinguishing these taxa were the stomatal index of the adaxial epidermis, leaf thickness, features of the walls of epidermal cells, and the presence and features of trichomes. On the basis of observations and measurements we created a key for distinguishing Solidago taxa.

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Authors and Affiliations

Magdalena Szymura

Karol Wolski

The meadow, psammophytic and ruderal plant communities with Solidago canadensis L. in Chernihiv Polesie (Ukraine)

Hanna Danko Oleksandr Lukash Iryna Morozova Volodymyr Boiko Oleksandr Yakovenko

Studia Quaternaria | 2021 | vol. 38 | No 2 | 149-158 | DOI: 10.24425/sq.2021.136832

Keywords vegetation anthropogenic influence Chernihiv Polesie Solidago canadensis L.

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Abstract

In Chernihiv Polesie Solidago canadensis most often grows in ruderal communities of the Berteroëtum incanae association. Characteristic plant species of the Artemisietea vulgaris class have been found in many phytocenoses with Solidago canadensis. A typical ruderal community dominated by S. canadensis was found, in which characteristic species of the xero-mesophytic ruderal vegetation of the Onopordion acanthii are well represented. Initial communities with the S. canadensis coverage of 25 to 60% in combination with the species of this order and the characteristic species of other high syntaxa were found. Most of them are the transformed meadow phytocenoses of the river floodplains and less often – the psammophytic phytocenoses of pine terraces. The process of ruderalization of meadow ecosystems as a result of the invasion of S. canadensis in Chernihiv Polesie was revealed. This process is especially pronounced on the loess islands, where meadows change into semiruderal grasslands and herblands of the Convolvulo arvensis– Agropyrion repentis alliance. S. canadensis invasion leads to xerophytization and unification of the floodplains meadow phytocenoses grassland. The course of these processes is accelerated by anthropogenic pressure on ecosystems and has irreversible consequences. S. canadensis rarely occurs in the Koelerio–Corynephoretea canescentis class psammophytic communities

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Bibliography

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Authors and Affiliations

Hanna Danko

Oleksandr Lukash

Iryna Morozova

Volodymyr Boiko

Oleksandr Yakovenko

T.H. Shevchenko National University “Chernihiv Colehium” Hetman Polubotok Str. 53, 14013 Chernihiv, Ukraine

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Leaf Epidermis Traits as Tools to Identify Solidago L. Taxa in Poland

Abstract

Authors and Affiliations

The meadow, psammophytic and ruderal plant communities with Solidago canadensis L. in Chernihiv Polesie (Ukraine)

Abstract

Bibliography

Authors and Affiliations