Cleistogamy and phylogenetic position of Viola uliginosa (Violaceae) re-examined
PBN-AR
Instytucja
Wydział Geograficzno-Biologiczny (Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN
0024-4074
EISSN
1095-8339
Wydawca
WILEY-BLACKWELL
DOI
URL
Rok publikacji
2016
Numer zeszytu
1
Strony od-do
180-194
Numer tomu
182
Identyfikator DOI
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Autorzy
(liczba autorów: 6)
Pozostali autorzy
+ 5
Słowa kluczowe
angielski
flower morphs
multigene coalescent analysis
phylogeny
pollen grains
stigma characters
Streszczenia
Język
angielski
Treść
Viola uliginosa is an endangered species throughout its range in Central Europe. Based on an unusual combination of morphological characters, including a reported lack of cleistogamous (CL) flowers, it was previously placed in the monotypic subsection Repentes, section Viola. Available individual phylogenetic analyses identify V. uliginosa as a lineage deeply embedded in section Viola, but hitherto its exact position was unknown. Here we confirm the occurrence of cleistogamy in V. uliginosa. Unlike other species of section Viola, V. uliginosa produced both chasmogamous and CL flowers at the same time, not at different times of the year (seasonal cleistogamy). The two flower types differed conspicuously in morphology and microstructure, especially in size and shape of the pistil and stamens as confirmed by scanning electron microscopy. Secondly, we resolved the phylogenetic position of V. uliginosa as a lineage deeply embedded in subsection Rostratae by means of a multigene multispecies coalescent analysis using *BEAST. In this analysis, V. mirabilis and V. uliginosa were successive sisters to the rest of subsection Rostratae and, because allopolyploids exist between V. mirabilis and the last one, subsection Rostratae needs to comprise all these taxa to be monophyletic. The evolution of key morphological traits is briefly discussed. © 2016 The Linnean Society of London, Botanical Journal of the Linnean Society, 2016, 182, 180–194
Inne
System-identifier
0000033100
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