Open AccessReproductive pathways inHieracium s.s.(Asteraceae): strict sexuality in diploids and apomixis in polyploids
Author(s) -
Patrik Mráz,
Pavel Zdvořák
Publication year - 2018
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mcy137
Subject(s) - apomixis , biology , polyploid , obligate , ploidy , parthenogenesis , botany , sexual reproduction , asexual reproduction , embryo , genetics , gene
Apomixis or asexual seed reproduction is a key evolutionary mechanism in certain angiosperms providing them with reproductive assurance and isolation. Nevertheless, the frequency of apomixis is largely unknown, especially in groups with autonomous apomixis such as the diploid-polyploid genus Hieracium.
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