Download or read book The Connaraceae written by Fransiscus Jozef Breteler and published by . This book was released on 1989 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Connaraceae written by Carel Christiaan Hugo Jongkind and published by . This book was released on 1989 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: . C.H. Jongkind In the general part of this work the author of this thesis treats the leaves, flowers and fruits of Connaraceae. Additional chapters reflect upon the phylogeny of the genus Rourea , the phytochemistry of the family, and the relationship of Connaraceae with other families. In the taxonomic part a description of the family is presented together with keys to the genera. A revision of the genera Agelaea , Manotes , and Rourea is presented with special emphasis on Africa, including descriptions of the genera and differential keys to the species. In the revision of the genus Agelaea six species are recognized including the Asiatic species. Manotes is only found in Africa and comprises five species. The genus Rourea is revised for Africa only, twelve species are recognized for this area. The American and Asiatic species are studied but not revised. New combinations are made for American and Asiatic species that are transferred to this genus. The American species are classified into clusters. In this work Rourea also includes Bernardinia , Byrsocarpus , Jaundea , Roureopsis , Santaloidella , Santaloides , Spiropetalum , and Paxia , formely recognized as separate genera. The treatment of the African species comprises full synonymy, literature, diagnosis, a distribution map, and ecological notes. In most cases an illustration is presented as well. The author studied and collected most species of Agelaea , Manotes , and Rourea on location in the rain forest in Gabon. R. H.M.J. Lemmens In the general part of this work the author of this thesis treats the geography, habit, morphology of stems and branches, and inflorescences of Connaraceae. The phenomenon of heterostyly, its expression and evolutionary developments are dealt with in a separate chapter. Additional chapters reflect upon the phylogeny of the genera within the family and on mutual relations of the species in the genus Cnestis. The, author has assembled what is known about the pollen morphology, and provides supplementary original information. In the taxonomic part a revision of the genera Cnestis , Connarus , and Ellipanthus is presented, with special emphasis on Africa, including descriptions of the genera and differential keys to the species. Additional keys are presented for plants that are either exclusively flowering or fruiting. In the genus Cnestis 13 species are recognized, including the Asiatic C. palala and two new species, C. bomiensis and C. uncata. Compared to Schellenberg's monograph on Connaraceae (1938) the number of species is extensively reduced. Connarus comprises seven species in Africa, including the new species C. gabonensis , while Ellipanthus has two African species, of which one was collected only once on Madagascar. The treatment of each species comprises its full synonymy, literature, diagnosis, an illustration, a distribution map, and ecological and botanical notes. The author studied and collected five species of Cnestis, and two species of Connarus on location in the rain forest in Gabon.
Download or read book Flowering Plants written by Armen Takhtajan and published by Springer Science & Business Media. This book was released on 2009-07-06 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt: Armen Takhtajan is among the greatest authorities in the world on the evolution of plants. This book culminates almost sixty years of the scientist's research of the origin and classification of the flowering plants. It presents a continuation of Dr. Takhtajan’s earlier publications including “Systema Magnoliophytorum” (1987), (in Russian), and “Diversity and Classification of Flowering Plants” (1997), (in English). In his latest book, the author presents a concise and significantly revised system of plant classification (‘Takhtajan system’) based on the most recent studies in plant morphology, embryology, phytochemistry, cytology, molecular biology and palynology. Flowering plants are divided into two classes: class Magnoliopsida (or Dicotyledons) includes 8 subclasses, 126 orders, c. 440 families, almost 10,500 genera, and no less than 195,000 species; and class Liliopsida (or Monocotyledons) includes 4 subclasses, 31 orders, 120 families, more than 3,000 genera, and about 65,000 species.This book contains a detailed description of plant orders, and descriptive keys to plant families providing characteristic features of the families and their differences.
Download or read book Flowering Plants Dicotyledons written by Klaus Kubitzki and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compiled and written for advanced students, this encyclopedia contains a comprehensive treatment of the taxonomy of the families and genera of ferns and seed plants. The present volume, the sixth in this series, deals with five groups of dicotyledons, the Celastrales, Oxalidales, Rosales, Cornales, and Ericales, comprising 48 families.
Download or read book The Angiosperm Flora of Singapore written by M. W. K. Goh and published by NUS Press. This book was released on 2000 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Diversity and Classification of Flowering Plants written by Armen Leonovich Takhtadzhi͡an and published by Columbia University Press. This book was released on 1997 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: The culmination of more than fifty years of research by the foremost living expert on plant classification, Diversity and Classification of Flowering Plants is an important contribution to the field of plant taxonomy. In the last decade, the system of classifying plants has been thoroughly revised. Instead of describing every individual family, Takhtajan includes descriptions in keys to families, which he calls "descriptive keys." The advantage of descriptive keys is that they give both the characteristic features of the families and their differences. The delimitation of families and orders drastically differs from the one accepted by the Englerian school and from the one accepted in Arthur Cronquist's system. Takhtajan favors the smaller, more natural families and orders, which are more coherent and better-defined, where characters are easily grasped, and which are more suitable for information retrieval and phylogenetic studies, including cladistic analysis (because it reduces polymorphic codings).
Download or read book Medicinal Plants of Asia and the Pacific written by Christophe Wiart and published by CRC Press. This book was released on 2006-06-19 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing on the author's extensive personal experience, Medicinal Plants of Asia and the Pacific provides comprehensive coverage of the medicinal plants of the region. Describing more than 300 compounds, the book discusses every important class of natural products while highlighting cutting-edge research and recent developments. With its broa
Download or read book Proceedings American Philosophical Society vol 79 1938 written by and published by American Philosophical Society. This book was released on with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Revision of the American Species of Rourea Subgenus Rourea Connaraceae written by Enrique Forero and published by . This book was released on 1976 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Zoocecidia of the Netherlands East Indies written by J. Docters van Leeuwen-Reijnvaan and published by . This book was released on 1926 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Manual of Phytogeography written by Léon Croizat and published by Springer. This book was released on 2013-11-21 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Biodiversity of African Plants written by Xander van der Maesen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the XIVth AETFAT Congress, 22-27 August 1994, Wageningen, the Netherlands
Download or read book African Ethnobotany written by Hans Dieter Neuwinger and published by CRC Press. This book was released on 1996 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Integrated System of Classification of Flowering Plants written by Arthur Cronquist and published by Columbia University Press. This book was released on 1981 with total page 1288 pages. Available in PDF, EPUB and Kindle. Book excerpt: -- Natural History
Download or read book On the Origin of the Species and The Voyage of the Beagle written by Charles Darwin and published by Graphic Arts Books. This book was released on 2012-03-15 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: From 1831-1836 Charles Darwin embarked on a journey aboard the H.M.S. Beagle that eventually led to him to the famous conclusions he drew in Origins of Species by Means of Natural Selection. As the ship’s naturalist, he made exhaustive observations of the geology and natural history of the region and collected numerous samples. The Voyage of the Beagle is an account of his activities as well as of his hypotheses on certain scientific phenomena. On the Origin of Species revolutionized natural science. It introduces the concepts of adaptation and natural selection, and explores the topic of evolution, which altered our understanding of the world.
Download or read book Annals of the Royal Botanic Gardens Peradeniya written by and published by . This book was released on 1927 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Origin of Species written by Charles Darwin and published by Standard Ebooks. This book was released on 2019-01-15T04:52:30Z with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Origin of Species by Charles Darwin must rank as one of the most influential and consequential books ever published, initiating scientific, social and religious ferment ever since its first publication in 1859. Its full title is The Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, in some editions prefaced by the word “On.” Darwin describes the book as simply an “abstract” of his ideas, which are more fully fleshed out and supported with detailed examples in his other, more scholarly works (for example, he wrote several long treatises entirely about barnacles). The Origin of Species itself was intended to reach a wider audience and is written in such a way that any reasonably educated and thoughtful reader can follow Darwin’s argument that species of animals and plants are not independent creations, fixed for all time, but mutable. Species have been shaped in response to the effects of natural selection, which Darwin compares to the directed or manual selection by human breeders of domesticated animals. The Origin of Species was eagerly taken up by the reading public, and rapidly went through several editions. This Standard Ebooks edition is based on the sixth edition published by John Murray in 1872, generally considered to be the definitive edition with many amendments and updates by Darwin himself. The Origin of Species has never been out of print and continues to be an extremely popular work. Later scientific discoveries such as the breakthrough of DNA sequencing have refined our concept of some of Darwin’s ideas and given us a better understanding of issues he found puzzling, but the basic thrust of his theory remains unchallenged. This book is part of the Standard Ebooks project, which produces free public domain ebooks.
