Journal ArticleDOI
Biosystematic studies in Allium L. section Cepa
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TLDR
Principal component analyses and hybrid analyses, according to Wells, using 31 morphological characteristics were used to study the biosystematic relationships between six Allium species of section Cepa and A. roylei of section Rhizirideum.About:
This article is published in Botanical Journal of the Linnean Society.The article was published on 1992-05-01. It has received 26 citations till now. The article focuses on the topics: Allium pskemense & Allium galanthum.read more
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Characteristic Anthocyanin Pattern from Onions and other Allium spp
TL;DR: The first reported substitution of the sugar 3 position of an anthocyanin has not been reported outside the genus Allium as discussed by the authors, and the 3,5-diglucosides of cyanidin and peonidin were for the first time reported in red onion.
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Evolution of genome size in Allium ( Alliaceae )
TL;DR: The 4C DNA amounts of 86 species from Allium subgg.Allium, Rhizirideum, Bromatorrhiza, Melanocrommyum, Caloscordum andAmerallium show a 8.35-fold difference, which shows that a significant loss and/or gain of DNA has occurred during evolution.
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Numerical morphological analysis of Lettuce cultivars and species (Lactuca sect.Lactuca, Asteraceae)
TL;DR: The cultivars were compared morphologically with accessions of L. sativa L. serriola and L. virosa to define the infra- and interspecific variation.
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Crossing experiments in Allium L. section Cepa
TL;DR: The Wallace effect, which is the development of internal isolation barriers as such, is likely to have taken place in the evolution of Allium section Cepa, with high isolation barriers found between the related species A. cepa and A. roylei of section Rhizirideum.
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Restriction enzyme analysis of the chloroplast and nuclear 45s ribosomal DNA of Allium sections Cepa and Phyllodolon (Alliaceae).
TL;DR: The maternal phylogenies estimated in this study help to distinguish wildAllium species closely related to the bulb onion and closely reflected crossability among species in sect.Cepa andPhyllodolon.
References
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Phylogenetic systematics and the species problem
TL;DR: Examination of species concepts that focus either on interbreeding or on common descent leads us to conclude that several alternatives are acceptable from the standpoint of phylogenetic systematics but that no one species concept can meet the needs of all comparative biologists.