Identification of hybrid formulae of a few willows (Salix) using ovule numbers

is a genus of considerable taxonomic complexity, and accurate identification of its species and hybrids is not always possible. Quantification of ovules was used in this study to verify the parentage of a few hybrids of . It has been shown that ovule numbers in willow hybrids are the mean of the ovu...

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Veröffentlicht in:Silvae genetica 2021-01, Vol.70 (1), p.75-83
Hauptverfasser: Marchenko, Аlexander M., Kuzovkina, Yulia A.
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creator Marchenko, Аlexander M.
Kuzovkina, Yulia A.
description is a genus of considerable taxonomic complexity, and accurate identification of its species and hybrids is not always possible. Quantification of ovules was used in this study to verify the parentage of a few hybrids of . It has been shown that ovule numbers in willow hybrids are the mean of the ovule numbers of their parents. The ovule index of a prostrate specimen of affirmed that this was a hybrid of Salisb. and L., and the ovule index of the ornamental cultivar ‘The Hague’ affirmed that this was a hybrid of L. and Miq. Finally, we also examined a confusing group, previously identified in North America as . The ovule indexes and other morphological characters indicated that there were four taxa among the studied specimens: , , Fernald, and a hybrid of and that has not previously been described. It was concluded that quantification of ovules in willows is a reliable tool that can be used in willow taxonomy, genetics and population studies.
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subjects ovary
Salix ×cottetii
Salix ×meyeriana
Salix ‘The Hague’
taxonomy
title Identification of hybrid formulae of a few willows (Salix) using ovule numbers
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