[PDF] The Phylogeny Of Angiosperms eBook

Author : Douglas Soltis
Publisher : University of Chicago Press
Page : 587 pages
File Size : 19,44 MB
Release : 2018-01-24
Category : Science
ISBN : 022644175X

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Although they are relative latecomers on the evolutionary scene, having emerged only 135?170 million years ago, angiosperms—or flowering plants—are the most diverse and species-rich group of seed-producing land plants, comprising more than 15,000 genera and over 350,000 species. Not only are they a model group for studying the patterns and processes of evolutionary diversification, they also play major roles in our economy, diet, and courtship rituals, producing our fruits, legumes, and grains, not to mention the flowers in our Valentine’s bouquets. They are also crucial ecologically, dominating most terrestrial and some aquatic landscapes. This fully revised edition of Phylogeny and Evolution of the Angiosperms provides an up-to-date, comprehensive overview of the evolution of and relationships among these vital plants. Incorporating molecular phylogenetics with morphological, chemical, developmental, and paleobotanical data, as well as presenting a more detailed account of early angiosperm fossils and important fossil information for each evolutionary branch of the angiosperms, the new edition integrates fossil evidence into a robust phylogenetic framework. Featuring a wealth of new color images, this highly synthetic work further reevaluates long-held evolutionary hypotheses related to flowering plants and will be an essential reference for botanists, plant systematists, and evolutionary biologists alike.

Author : Else Marie Friis
Publisher : Cambridge University Press
Page : 597 pages
File Size : 13,34 MB
Release : 2011-08-18
Category : Science
ISBN : 1139496387

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The recent discovery of diverse fossil flowers and floral organs in Cretaceous strata has revealed astonishing details about the structural and systematic diversity of early angiosperms. Exploring the rich fossil record that has accumulated over the last three decades, this is a unique study of the evolutionary history of flowering plants from their earliest phases in obscurity to their dominance in modern vegetation. The discussion provides comprehensive biological and geological background information, before moving on to summarise the fossil record in detail. Including previously unpublished results based on research into Early and Late Cretaceous fossil floras from Europe and North America, the authors draw on direct palaeontological evidence of the pattern of angiosperm evolution through time. Synthesising palaeobotanical data with information from living plants, this unique book explores the latest research in the field, highlighting connections with phylogenetic systematics, structure and the biology of extant angiosperms.

Author : James W. Byng
Publisher : Plant Gateway Ltd.
Page : 35 pages
File Size : 28,39 MB
Release : 2018-01-14
Category : Science
ISBN : 1912629003

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This volume includes an introduction to The Global Flora series and an overview of an angiosperm poster. The poster visually illustrates relationships of all angiosperm families (following APG IV) and flower images representing 269 plant families. The poster also lists important characters for major grades and clades.

Author : David W. Taylor
Publisher : Springer
Page : 412 pages
File Size : 11,19 MB
Release : 2007-08-28
Category : Science
ISBN : 0585230951

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This book covers the hot topics of angiosperm structure and evolution in several chapters discussing vegetative and reproductive characters. It also looks at the implications of ancestral angiosperm characters for an herbaceous origin and the phylogeny of angiosperms from a structure and molecular perspective.

Author : Verma
Publisher : PHI Learning Pvt. Ltd.
Page : 500 pages
File Size : 17,17 MB
Release : 2010-10
Category : Science
ISBN : 8120341147

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Taxonomy is one of the oldest biological disciplines. This book presents an account of general principles and aims of taxonomy in a comprehensive manner. It has been written mainly to cater the needs of undergraduate students pursuing courses in Botany/Life Sciences/Plant Sciences, but it will be useful for postgraduate students of these disciplines as well. The book gives a critical account of the important systems of classification and salient features of the APG II (Angiosperm Phylogeny Group, 2003) system of plant taxonomy. It mentions the important rules of plant nomenclature, and various codes of nomenclature including the latest Vienna Code of 2006. Further, it discusses the usefulness of anatomy, embryology, palynology, chemistry, cytology and ecology under current trends in plant taxonomy. A thorough coverage of profusely illustrated 50 important dicotyledonous and monocotyledonous angiospermic families is the hallmark of this book. Each family is described covering the following points: Distribution, vegetative features, floral description, morphological nature of organs, further classification, affinities with other families, economic importance and description of common plant(s). Finally, the book covers the different aspects and theories related to the origin of angiosperms, and elucidates the methods and techniques of herbarium development and maintenance. KEY FEATURES: Presents a key to families described in the book. Provides a pro forma for the description of angiosperms. Includes a glossary of important technical terms. Lists the important Herbaria of India and the world.

Author : John Merle Coulter
Publisher : Forgotten Books
Page : 22 pages
File Size : 18,43 MB
Release : 2016-09-15
Category : Science
ISBN : 9781333598426

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Excerpt from The Phylogeny of Angiosperms The views presented in this paper are in the main based upon numerous investigations conducted by members of the botanical staff and graduate students. The accounts of these investigations, extending through a period of six years, have been published from time to time, chie y in the Botanical Gazette, but their bearing upon the problem of the phylogeny of Angiosperms has never been presented. It would be confusing to cite the literature involved in this presentation, as it would mean an extensive bibliography and is in the main familiar to students of the Angiosperms. The purpose is to present in as compact form as possible the bearings of our present knowledge upon a problem of great obscurity. The phylogeny of any great group will probably always remain a baf ing problem, incapable of actual demonstration, and yet theories of phylogeny serve to co-ordinate knowledge and stimulate investigation. It should be stated that when similarity of structure was taken to be a sure indication of genetic relationships, the problem promised an approximate solution. But since it has been proved that similar structures may develop independently, the difficulty of solution has become apparently insurmountable. The first phase of the problem has to do with the common or independent origin of the Monocotyledons and Dicotyledons. The current View assumes their monophyletic origin, a View based largely upon the great uniformity of the peculiar development of the female gametophyte. It is argued that the independent origin of such exact details of development and structures is inconceivable. The peculiar female gametophyte of Angiosperms, however, has been found to vary enough to indicate that it is an extreme expression of tendencies evident in the heterosporous Pteridophytes and Gymnosperms; in other words, an ultimate result of heterospory. Further, nothing is more clear than that heterospory has originated independently in several plant groups; and the assumption that its ultimate expressions, the seed and the angiospermous female gametophyte, have been reached by only one line seems more than improbable. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."