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Author: Erik A. Mennega
Publisher:
ISBN: 9783901029004
Category : Annonaceae
Languages : en
Pages : 268
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Author: Erik A. Mennega
Publisher:
ISBN: 9783901029004
Category : Annonaceae
Languages : en
Pages : 268
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Book Description
Author: Klaus Kubitzki
Publisher: Springer Science & Business Media
ISBN: 3662028999
Category : Science
Languages : en
Pages : 663
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Book Description
This volume - the first of this series dealing with angiosperms - comprises the treatments of 73 families, representing three major blocks of the dicotyledons: magnoliids, centrosperms, and hamamelids. These blocks are generally recognized as subclasses in modern textbooks and works of reference. We consider them a convenient means for structuring the hundreds of di cotyledon families, but are far from taking them at face value for biological, let alone mono phyletic entities. Angiosperm taxa above the rank of family are little consolidated, as is easily seen when comparing various modern classifications. Genera and families, in contrast, are comparatively stable units -and they are important in practical terms. The genus is the taxon most frequently recognized as a distinct entity even by the layman, and generic names provide the key to all in formation available about plants. The family is, as a rule, homogeneous enough to conve niently summarize biological information, yet comprehensive enough to avoid excessive re dundance. The emphasis in this series is, therefore, primarily on families and genera.
Author:
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ISBN:
Category : Agriculture
Languages : en
Pages : 1732
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Author:
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 874
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Author: Alwyn H. Gentry
Publisher:
ISBN: 9780226289434
Category : Science
Languages : en
Pages : 895
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Book Description
To understand almost any part of the tropical rain forest's fabulously complex web of life, one must first learn to identify a bewildering array of plants. Alwyn Gentry's landmark book, completed just before his tragic death in 1993, is the only field guide to the nearly 250 families of woody plants in the most species-rich region of South America. As a consummate field researcher, Gentry designed this guide to be not just comprehensive, but also easy to use in rigorous field conditions. Unlike many field guides, which rely for their identifications on flowers and fruits that are only present during certain seasons, Gentry's book focuses on characters such as bark, leaves, and odor that are present year-round. His guide is filled with clear illustrations, step-by-step keys to identification, and a wealth of previously unpublished data. All biologists, wildlife managers, conservationists, and government officials concerned with the tropical rain forests will need and use this field guide. Alwyn Gentry was one of the world's foremost experts on the biology of tropical plants. He was senior curator at the Missouri Botanical Garden, and was a member of Conservation International's interdisciplinary Rapid Assessment Program (RAP) team, which inventories the biodiversity of the most threatened tropical areas. From 1967 to 1993 he collected more than 80,000 plant specimens, many of them new to science.
Author: Hans Arne Jensen
Publisher: CRC Press
ISBN: 9789054104506
Category : Science
Languages : en
Pages : 324
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Book Description
Seeds are a vital part of life on earth. They are fundamental for plant reproduction, and many seeds play an important role in the diet of man and domestic and wild animals. Knowledge of the appearance of seeds - seed morphology - is of great importance to botany and seed identification in relation to: seed setting, quarantine work, forensic work, seed poisening, studies of seed dispersal, seed banks and archaeological studies.;This bibliography contains 3775 references and is divided in two parts: handbooks, and articles and monographs. In the latter the bibliographical reference is supplemented by information of importance to seed identificaiton: genera mentioned in articles, keys, descriptions, drawings, photograph, scanning electron micrographs, anatomy and chemical methods. The index of authors contains the names of an extensive number of authors, cited in the bibliography, and in the index of genera more than 3900 genera, described in one or more of the publications are cited.
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Category : Natural history
Languages : en
Pages : 156
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Book Description
Author: R. Büttner
Publisher: Springer Science & Business Media
ISBN: 9783540410171
Category : Science
Languages : en
Pages : 3698
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Book Description
With contributions by numerous experts
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ISBN:
Category :
Languages : en
Pages : 482
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Book Description
Author:
Publisher:
ISBN:
Category : Bibliographical literature
Languages : en
Pages : 1176
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