Results 151 to 160 of about 2,787 (184)
Implications of the Plastid Genome Sequence of Typha (Typhaceae, Poales) for Understanding Genome Evolution in Poaceae [PDF]
Journal of Molecular Evolution, 2010 Plastid genomes of the grasses (Poaceae) are unusual in their organization and rates of sequence evolution. There has been a recent surge in the availability of grass plastid genome sequences, but a comprehensive comparative analysis of genome evolution ...
Jeffrey Boore +2 more
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Morphology and development of the gynoecium in Centrolepidaceae: The most remarkable range of variation in Poales [PDF]
American Journal of Botany, 2009 This paper explores the relative impacts of reduction and polymerization on the evolution of reproductive structures in the small but morphologically diverse family Centrolepidaceae.
Dmitry Sokoloff +2 more
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Evolutionary History of Poales
Annual Review of Ecology, Evolution, and Systematics, 2005▪ Abstract The predominantly wind-pollinated order Poales includes about one third of all monocot (Angiosperm) species, with c. 20,000 species dominating modern savanna and steppe vegetation. Recent improvements in understanding relationships within the order allow phylogenetic optimizations of habitat preferences and adaptive character states ...
Linder, H. Peter, Rudall, Paula J.
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Floral Anatomy of Paepalanthoideae (Eriocaulaceae, Poales) and their Nectariferous Structures [PDF]
Annals of Botany, 2007 Eriocaulaceae (Poales) is currently divided in two subfamilies: Eriocauloideae, which comprises two genera and Paepalanthoideae, with nine genera. The floral anatomy of Actinocephalus polyanthus, Leiothrix fluitans, Paepalanthus chlorocephalus, P. flaccidus and Rondonanthus roraimae was studied here. The flowers of these species of Paepalanthoideae are
Vera Lucia Scatena
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The Evolutionary History of the Poales/Restionales: A Hypothesis
Kew Bulletin, 1987The existing hypotheses on the phylogeny of the families of the Poales are reviewed, and the data on which they are based are critically assessed. The results of this assessment are presented as a cladogram. The fossil pollen record of the order is also reviewed, and many of the results are reinterpreted.
H P Linder
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Comparative embryology and taxonomic considerations in Eriocaulaceae (Poales)
Feddes Repertorium, 2010AbstractThe genus concept within Eriocaulaceae is widely discussed because it is mainly based on a small number of floral characteristics of unknown functional and evolutionary significance. The aim of the present work is to comparatively study the embryology of representatives of most genera of Eriocaulaceae to identify relevant features that might ...
Coan, Alessandra Ike +2 more
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Contribution to the embryology of Leiothrix fluitans (Eriocaulaceae: Poales)
Aquatic Botany, 2007Abstract This paper presents a contribution to the understanding of the embryology, especially microsporogenesis, the antipodal cell behavior, and the early stages of the micropylar seed operculum, in Leiothrix fluitans, to elucidate these aspects both within the subgenus Rheocaulon and within the genus in Eriocaulaceae.
Coan, Alessandra Ike +2 more
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Stomata are mobile epidermal valves that regulate CO₂ uptake at the cost of water loss in response to changes in light, CO₂, vapor pressure deficit (VPD), and other signals. Variation in stomatal function across species can have a significant impact on plant function; however, this variation is often examined within major land plant lineages or within ...
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