The Bases of Angiosperm Phylogeny: Floral Anatomy
نویسندگان
چکیده
منابع مشابه
Angiosperm Phylogeny : 17 Genes , 640 Taxa 1
704 American Journal of Botany 98(4): 704–730, 2011; http://www.amjbot.org/ © 2011 Botanical Society of America 1 Manuscript received 11 October 2010; revision accepted 9 February 2011. The authors thank the University of Florida High-Performance Computing Center, the UF Genetics Institute, and facilities supported in part by NSF Grant CNS-0821622 for providing computational resources that faci...
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Plastid matK gene sequences for 374 genera representing all angiosperm orders and 12 genera of gymnosperms were analyzed using parsimony (MP) and Bayesian inference (BI) approaches. Traditionally, slowly evolving genomic regions have been preferred for deep-level phylogenetic inference in angiosperms. The matK gene evolves approximately three times faster than the widely used plastid genes rbcL...
متن کاملAngiosperm phylogeny: 17 genes, 640 taxa.
PREMISE OF THE STUDY Recent analyses employing up to five genes have provided numerous insights into angiosperm phylogeny, but many relationships have remained unresolved or poorly supported. In the hope of improving our understanding of angiosperm phylogeny, we expanded sampling of taxa and genes beyond previous analyses. METHODS We conducted two primary analyses based on 640 species represe...
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The vascular anatomy of 13 of the 15 genera of the Hydrocharitaceae has been studied, and certain aspects of floral morphology are considered. The flowers of the family show a broad range of specialized structures combined with primitive characteristics. The origin of paired and single stamens is interpreted as probable modifications of fascicled stamens. Extreme reduction in the androccium is ...
متن کاملThe root of angiosperm phylogeny inferred from duplicate phytochrome genes.
An analysis of duplicate phytochrome genes (PHYA and PHYC) is used to root the angiosperms, thereby avoiding the inclusion of highly diverged outgroup sequences. The results unambiguously place the root near Amborella (one species, New Caledonia) and resolve water lilies (Nymphaeales, approximately 70 species, cosmopolitan), followed by Austrobaileya (one species, Australia), as early branches....
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ژورنال
عنوان ژورنال: Annals of the Missouri Botanical Garden
سال: 1975
ISSN: 0026-6493
DOI: 10.2307/2395266