Comparative analysis of morphological variability of rare plant coenopopulations in different ecological-coenotic conditions using the Desnyansko-Starogutskyi National Nature Park as a model

Klymenko G.O.

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Ukr. Bot. J. 2013, 70(2): 188–194

Plant Taxonomy, Geography and Floristics

Comparative analysis of morphological variability of rare plant coenopopulations in different ecological-coenotic conditions using the Desnyansko-Starogutskyi National Nature Park as a model

Klymenko G.O.

Sumy National Agrarian University, Ukraine
160/3, Kirov Str., Sumy, 40021, Ukraine

Abstract

Phenotypic distinctions and degree of phenogenetic divergency of three rare species (Lilium martagon L., Pulsatilla patens (L.) Mill., Circaea alpina L.) coenopopulations in different ecological-coenotic environment are presented. The analysis of cenopopulations was based on discriminant analysis of morphometric parameters for vegetative and generative structures of individuals. Intrapopulation morphostuctural variability was established for all studied coenopopulations of rare plants. In the Desnyansko-Starogutsky National Nature Park four known localities of Lilium martagon are phenogenetically independent coenopopulations. Five coenopopulations of Pulsatilla patens from different sites, on the contrary, are phenotypically close. Three coenopopulations of Circaea alpina growing in similar phytocoenotic conditions appeared phenotypically quite distinctive. Phenogenetical distinctions between cenopopulations are the most evident if their generative individuals are estimated.

Keywords: rare plants, cenopopulations, morphological variability

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