Morphological characteristics as a key attribute for a successful determination of selected Cotoneaster species
2020
Samuel Kšiňan
In this paper, morphological features, such as the number of pyrenes in pome and the number of pomes in infructescence, were used for determination of closely related tetraploid Cotoneaster species. Samples were collected from various localities in the Western Carpathians. The collection of samples, designed for counting of pyrenes in pome, included 2353 pomes of >130 individuals. Number of pyrenes in pome ranged from 1 to 5. Statistical analysis revealed a significant difference in pyrenes per pome mean values between C. integerrimus (3.01), C. melanocarpus agg. (2.46; including C. matrensis) and C. tomentosus (3.93). The collection of samples, designed for counting of pomes in infructescence, included 1019 infructescences of 141 individuals. Number of pomes in infructescence ranged from 1 to 5. Statistical analysis also revealed a significant difference in pomes per infructescence mean values between C. integerrimus (1.14) and C. melanocarpus agg. (1.54; including C. matrensis), and between C. integerrimus and C. tomentosus (1.50).
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