The Genera of Flowering Plants, Angiospermae PDF Download
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Author: John Hutchinson
Publisher:
ISBN:
Category : Angiosperms
Languages : en
Pages : 682
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Book Description
"The Irish have played extraordinary roles in Minnesota. St. Paul's Irish image dates from pre-territorial days (and derives from scoundrels and prizefighters along with politicians and churchmen). Except for the immigrant Irish and their progeny, Minnesota history would have been quite different."--Jacket.
Author: John Hutchinson
Publisher:
ISBN:
Category : Angiosperms
Languages : en
Pages : 682
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Book Description
"The Irish have played extraordinary roles in Minnesota. St. Paul's Irish image dates from pre-territorial days (and derives from scoundrels and prizefighters along with politicians and churchmen). Except for the immigrant Irish and their progeny, Minnesota history would have been quite different."--Jacket.
Author: John Hutchinson
Publisher:
ISBN: 9783874291781
Category : Gardening
Languages : en
Pages : 1200
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: John Hutchinson
Publisher:
ISBN:
Category : Angiosperms
Languages : en
Pages : 0
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Book Description
Author: Xin Wang
Publisher: Springer
ISBN: 9783642011627
Category : Science
Languages : en
Pages : 238
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Book Description
Angiosperms are the most diversi ed plant group in the world, being represented by ca 300,000 species in about 400 families. Like all of Life, including ourselves, they have had their own history and gone through many evolutionary stages before they arrived at their current forms. The origin of Angiospermae ( owering plants) has been the subject of much dispute because this is a key event in the history of life, and has a far-reaching in uence on our understanding of relationships among seed plants as a whole as well as within the angiosperms. Until recently most of palae- otanists recognized angiosperms only from the Cretaceous and younger strata. This contradicts the results of molecular analyses. I have been working on Mesozoic fossil plants for the past two decades, during which time I have studied a number of fossil plants. Some of these fossil plants have been published as Jurassic angiosperms, and, unsurprisingly, many questions and doubts have been raised about them. These questions need to be addressed se- ously and journal papers do not provide suf cient space to compare and relate these early angiosperms. In this book these pioneer angiosperms are documented in detail, sometimes with new specimens not studied before. Also, I propose a de nition of angiosperms that could be adopted in palaeobotany. My aim is to improve clarity and objectivity of judgment about what constitutes a fossil angiosperm.
Author: John Hutchinson
Publisher:
ISBN:
Category :
Languages : en
Pages : 659
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Book Description
Author: Pandey B.P.
Publisher: S. Chand Publishing
ISBN: 9788121909327
Category : Science
Languages : en
Pages : 636
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Book Description
Taxonomy of Angiosperms for University students
Author: Willemstein
Publisher: BRILL
ISBN: 900462810X
Category : Science
Languages : en
Pages : 439
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Book Description
Author: Job Kuijt
Publisher: Springer
ISBN: 9783319092959
Category : Science
Languages : en
Pages : 0
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Book Description
In the present volume taxonomic treatments including descriptions of and keys to the families and genera for the orders Santalales and Balanophorales are offered, the former group here comprising 12 families with 162 genera and about 2100 species, and the latter with the single family Balanophoraceae composed of 16 genera and about 42 species. The contentious family classification of Santalales has been thoroughly revised against the background of previous classifications as well as available structural and molecular evidence, and also the classification of Balanophoraceae has been carefully updated. Santalales are predominantly hemiparasites connected with either the branches or the roots of other green land plants, whereas Balanophoraceae are holoparasites that form terrestrial tubers attached to the roots of woody hosts. In both orders, parasitism has led to considerable reductions of the vegetative and reproductive organs and detailed descriptions are given on the initiation of ramal and terrestrial parasitism in Santalales and the haustorial connection and tissue continuity between host and parasite in both groups. The dramatic reduction of the vegetative body in Balanophoraceae, which may lack all vegetative organs typically found in green land plants, has promoted studies in the field of developmental morphology. Thus, the volume not only provides an overview of the diversity of the plant groups treated therein, but also points to the interesting biological peculiarities that have evolved in connection with their singular lifestyle.
Author: Zhenghao Xu
Publisher: Springer
ISBN: 9402411577
Category : Technology & Engineering
Languages : en
Pages : 833
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Book Description
This book introduces readers to nearly 600 common weeds. In addition to essential information, each chapter includes photos for a specific type of weed to show its morphology in different growth periods, such as seedling, root, flower, fruit, and mature plant. The book also discusses control measures, including agricultural, chemical, physical, biological, and comprehensive methods. The Volume2 mainly focuses on fern and 216 species of weeds of magnoliids or dicotyledoneae. With the development of society and economics, weeds have become a recurring problem. In particular, the exotic, invasive, and quarantine weeds have spread dramatically and rapidly. On the other hand, many people, even those who are engaged in weed control, do not (or cannot) distinguish between weeds. Thus there is significant demand for illustrations of weed morphologies, as well as information on their control measures. This book offers a valuable, practical guide for all those working in the fields of crop cultivation, plant protection and quarantine management.
