Escalloniaceae
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Escalloniaceae
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Author : Bernard Verdcourt
language : en
Publisher:
Release Date : 1973
Escalloniaceae written by Bernard Verdcourt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Botany categories.
Escalloniaceae
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Author :
language : en
Publisher:
Release Date : 2009
Escalloniaceae written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Anopterus glandulosa categories.
Phylogenetics And Diversification Of Escallonia Escalloniaceae
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Author : Felipe Zapata
language : en
Publisher:
Release Date : 2010
Phylogenetics And Diversification Of Escallonia Escalloniaceae written by Felipe Zapata and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Biodiversity categories.
Despite a large accumulation of evidence on the high richness of plant species in the mountains of South America, little is known about the historical underpinnings of this diversity. To contribute to our understanding of the origin and diversification of plant species in these mountains, I analyzed geographic patterns of variation in molecular and phenotypic characters for the genus Escallonia L.f. (Escalloniaceae), a group of shrubs widespread in montane habitats in South America. Molecular phylogenetic analyses using chloroplast and nuclear loci revealed i) that Escallonia is monophyletic, ii) a remarkable level of geographical phylogenetic structure, and iii) a widespread absence of species-level monophyly. These results are consistent with the hypothesis that geography played an important role early in the history of Escallonia by separating populations, which later diversified rapidly and/or recently in isolation. To evaluate whether the lack of monophyly could reflect problems with species boundaries, I present a new statistical approach that uses morphological and geographical data to i) weigh the strength of the evidence to support the hypothesis that species are separated by morphological gaps, and ii) examine if gaps could be explained by an alternative hypothesis of geographic differentiation within a single species rather than by a hypothesis of a species boundary. Analyses of morphological measurements using this approach provided support to several of the current hypotheses of species boundaries within Escallonia, suggesting that neutral molecular variation and phenotypic variation are not evolving in concert. Analyses of bioclimatic data provided further evidence that most species differed in their climatic niche, and thus display differences in their present day selective regimes. By integrating molecular, morphological and bioclimatic analyses, I provide evidence to infer that most species (71%) within Escallonia represent distinct evolutionary lineages on independent evolutionary trajectories. A new species of Escallonia is described. Data exploration suggests that environmental gradients may have played an important role in recent speciation events. Taken together, these results illustrate the usefulness of an approach to studying plant diversification that emphasizes the collection and integration of a variety of biological data to better understand the origin and evolution of species.
Dictionary Of Trees Volume 2 South America
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Author : M.M. Grandtner
language : en
Publisher: Academic Press
Release Date : 2013-09-21
Dictionary Of Trees Volume 2 South America written by M.M. Grandtner and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-21 with Science categories.
Dictionary of South American Trees provides a single-source reference for botanists, biologists, ecologists, and climatologists on the many native trees in South America. The index lets readers find a tree in four languages, by its common name, or abbreviation, followed by taxonomy that includes common uses for each part of the tree. Using this information, scientists and students can identify and classify plants, their growth structure and environment, the uses of their products, and alternative options with similar characteristics. Complete coverage of all native South American trees—the only single-source reference for botanists, biologists, ecologists and climatologists working in this diverse and changing region Includes taxonomy at genera, species, sub-species, and varietal levels, providing information from the most basic level up and allowing readers to identify their subjects using numerous criteria Indicates Latin, English, French, and Spanish names as well as common names and abbreviations, facilitating accurate and efficient identification Provides growth information, climatology, ecology and uses for the tree to provide insight into each tree as well as for comparative purposes when seeking similar tree-based resources
Flora Of Tropical East Africa Escalloniaceae
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Author : B. Verdcourt
language : en
Publisher:
Release Date : 1973
Flora Of Tropical East Africa Escalloniaceae written by B. Verdcourt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Botany categories.
Flora Of Tropical East Africa
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Author :
language : en
Publisher:
Release Date : 1952
Flora Of Tropical East Africa written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with Botany categories.
Dictionary Of Natural Products
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Author : John Buckingham
language : en
Publisher: CRC Press
Release Date : 1993-12-02
Dictionary Of Natural Products written by John Buckingham and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-12-02 with Science categories.
The Dictionary of Natural Products is the only comprehensive source of chemical data on natural products. It provides the busy scientist with fast access to chemical, physical, bibliographic, and structural data on over 139,000 natural products organized into more than 43,000 -virtually every natural product isolated and reported in the literature.
The Genus Carpodetus Escalloniaceae
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Author :
language : en
Publisher:
Release Date : 1985
The Genus Carpodetus Escalloniaceae written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Families And Genera Of Spermatophytes Recognized By The Agricultural Research Service
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Author : Charles R. Gunn
language : en
Publisher:
Release Date : 1992
Families And Genera Of Spermatophytes Recognized By The Agricultural Research Service written by Charles R. Gunn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Angiosperms categories.
Taxonomy And Plant Conservation
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Author : Etelka Leadlay
language : en
Publisher: Cambridge University Press
Release Date : 2006-01-19
Taxonomy And Plant Conservation written by Etelka Leadlay and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-19 with Nature categories.
Highlights the key role played by taxonomy in the conservation and sustainable utilisation of plant biodiversity.
