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Author :
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.3/5 (91 download)
Download or read book Compositae Newsletter written by and published by . This book was released on 2004 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Naturhistoriska Riksmuseet
Publisher : Forgotten Books
ISBN 13 : 9780666207371
Total Pages : 34 pages
Book Rating : 4.2/5 (73 download)
Download or read book Compositae Newsletter, Vol. 6 (Classic Reprint) written by Naturhistoriska Riksmuseet and published by Forgotten Books. This book was released on 2018-02-23 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 6 Prof. James Estes, Department of Botany and Microbiology, University of Oklahoma, 770 Van Vleet Oval, Room 135, Norman, Oklahoma 73019, is continuing research on pollination systems within the Compositae. 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.
Author :
Publisher :
ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.A/5 ( download)
Download or read book Entomological News written by and published by . This book was released on 1910 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Naturhistoriska Riksmuseet (Sweden) Dep
Publisher : Palala Press
ISBN 13 : 9781378901472
Total Pages : 52 pages
Book Rating : 4.9/5 (14 download)
Download or read book Compositae Newsletter: No.25 1994 written by Naturhistoriska Riksmuseet (Sweden) Dep and published by Palala Press. This book was released on 2018-03 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : Swedish Museum of Natural History
Publisher : Forgotten Books
ISBN 13 : 9780364713242
Total Pages : 180 pages
Book Rating : 4.7/5 (132 download)
Download or read book Compositae Newsletter, Vol. 28 written by Swedish Museum of Natural History and published by Forgotten Books. This book was released on 2018-03-17 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 28: June 1996 The Swedish Museum of Natural History has recently started the work of entering collection data into data bases. In the course of this work, type collections have gained special attention. The register of Asteraceae types has now been brought to a point were data from all identified type specimens have been entered into the data base. The Department of Phanerogamic Botany keeps type material separate from the main collection, and the data base includes information of material kept in this type collection only. It must be pointed out in this context that many types are still to be found in the main collections, particularly among the older material. Indeed new types are continuously identified by members of the staff and by scientists who have had material on loan, or by visitors to the herbarium. 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.
Author : Waseem Mushtaq
Publisher : Springer Nature
ISBN 13 : 3030408078
Total Pages : 69 pages
Book Rating : 4.0/5 (34 download)
Download or read book Allelopathy written by Waseem Mushtaq and published by Springer Nature. This book was released on 2020-02-25 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Allelopathic studies may be defined in various aspects; weed against weed/crop and vice versa. This book focuses on the ways to utilize the allelopathic potential of weeds or crops for controlling weeds in the agroecosystems. Vigorous use of herbicides is poisoning our environment at an alarming rate; allelopathy can be employed as a useful alternative to control weeds naturally under field conditions. The book contains chapters on the history of allelopathy; allelopathic potential of several important crops (rice, wheat, sorghum, maize, mustard, sunflower) and weeds (members of Solanaceae, Convolvulaceae, Asteraceae, Verbenaceae). Moreover, it highlights how the allelopathic potential of these weeds and crops can be employed effectively to suppress weeds under field conditions. The book also discusses topics on the role of allelochemicals in agroecosystems; impact on local flora; biotic stress induced by allelochemicals; mechanism of action of allelochemicals and future prospective of allelopathy. Prepared with basic concepts and importance of allelopathy, this book is intended for the agricultural community, botanists, students and researchers.
Author : Naturhistoriska Riksmuseet
Publisher : Forgotten Books
ISBN 13 : 9780666233431
Total Pages : 22 pages
Book Rating : 4.2/5 (334 download)
Download or read book Compositae Newsletter, Vol. 7 (Classic Reprint) written by Naturhistoriska Riksmuseet and published by Forgotten Books. This book was released on 2018-02-23 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 7 The taxonomy of the Vernonieae, reviewed by Jones, is still in an unrevised state and our chemical knowledge of it, as shown by Harborne and Williams, is also very incomplete. There is some indication that most, if not all, of the old-world species included now in such genera as Vernonia and Centratherum will prove eventually to be generically distinct from those of the New. The Vernonieae is now the least well known of all the tribes. 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.
Author : Henk Beentje
Publisher : CRC Press
ISBN 13 : 9789061913955
Total Pages : 320 pages
Book Rating : 4.9/5 (139 download)
Download or read book Flora of Tropical East Africa - Compositae 1 (2000) written by Henk Beentje and published by CRC Press. This book was released on 2000-06-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The flora is prepared at Royal Botanic Gardens, Kew, in close collaboration with East African Herbarium and in liaison with the University of Dar es Salaam, the University of Nairobi and the Makerere University. Significant contributions are also made by specialists elsewhere. The flora is designed to a high academic standard and should be a useful resource reference for anyone concerned with the identification and utilization of plants in eastern Africa. Each family is published as a separate part.
Author : Lars Peter Kvist
Publisher :
ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.:/5 (318 download)
Download or read book Revision of Pearcea (Gesneriaceae) written by Lars Peter Kvist and published by . This book was released on 1996 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seventeen species of Pearcea (Gesneriaceae) are recognized, nine of which are new: Pearcea bella, P. bilabiata, P. cordata, P. fuscicalyx, P. glabrata, P. gracilis, P. grandifolia, P. intermedia, and P. strigosa. Of the remaining eight species, two were originally described in Pearcea, one is transferred herein from Kohleria, and five come from Parakohleria, a genus placed in synonymy herein. Pearcea occurs mainly on the eastern Andean slopes of Colombia (5 species), Ecuador (12 species), Peru (6 species), and Bolivia (1 species), and one species also occurs on the western Andean slopes in Ecuador. The largest number of species appears to occur in Ecuador, although additional species may occur in less explored parts of Peru. Pearcea differs from related and similar genera in the Gloxinieae by having fleshy capsules dehiscing by two valves and exposing a sticky seed mass. All species are herbs, usually with bright red flowers, and are usually found in the shady, humid forest understory, often near small streams. Hybridization, local speciation, and polymorphic variation may complicate the species delimitation. The variable Pearcea sprucei occurs throughout nearly the entire range of the genus (and includes the only accepted variety, var. parviflora), but most species are rare and local.
Author : Swedish Museum Of Natural History
Publisher : Forgotten Books
ISBN 13 : 9780656853847
Total Pages : 76 pages
Book Rating : 4.8/5 (538 download)
Download or read book Compositae Newsletter, Vol. 34 written by Swedish Museum Of Natural History and published by Forgotten Books. This book was released on 2018-02-18 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 34: December 21, 1999 Distribution and ecology: This species is known only from savannas and gallery forests in the region of Sierra de la Macarena, Meta, Colombia. It occurs from 300 500 m in elevation and has been collected in flower in June, August, October and November. 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.
Author : Jean-Claude Kader
Publisher : Academic Press
ISBN 13 : 0123858518
Total Pages : 515 pages
Book Rating : 4.1/5 (238 download)
Download or read book Advances in Botanical Research written by Jean-Claude Kader and published by Academic Press. This book was released on 2011-12-02 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Advances in Botanical Research' publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences. The series features a wide range of reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology and ecology.
Author : Bertil Nordenstam
Publisher : Forgotten Books
ISBN 13 : 9780666622396
Total Pages : 72 pages
Book Rating : 4.6/5 (223 download)
Download or read book Compositae Newsletter written by Bertil Nordenstam and published by Forgotten Books. This book was released on 2018-02-28 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter: June, 1997 In our former studies on the genus, we have observed specimens identified by other authors as D. Austriacum having glandular hairs all over the plant, and other specimens lacking this hair type on the involucral bracts, peduncles and stems. Using the current keys both specimen types can be included in D. Austri'acum because of little precision in the use of the indumentum character. But only the specimens lacking glandular hairs on the involucral bracts, peduncles and stems agree with the protologue where there is no mention of the presence of this kind of uichomes. 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.
Author : Tod F. Stuessy
Publisher : Forgotten Books
ISBN 13 : 9780484658577
Total Pages : 34 pages
Book Rating : 4.6/5 (585 download)
Download or read book Compositae Newsletter, Vol. 4 written by Tod F. Stuessy and published by Forgotten Books. This book was released on 2017-12-24 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 4: March 1977 Plant Taxonomy Laboratory, Plant Genetics and Germplasm Institute, usda, ars, Beltsville, Maryland 20705, u.s.a. 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.
Author : Naturhistoriska Riksmuseet
Publisher : Forgotten Books
ISBN 13 : 9780331997583
Total Pages : 38 pages
Book Rating : 4.9/5 (975 download)
Download or read book Compositae Newsletter, Vol. 22 (Classic Reprint) written by Naturhistoriska Riksmuseet and published by Forgotten Books. This book was released on 2017-11-26 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 22 Heterolepis aliena and H. Peduncularis. The archespore is 1-celled (fig. 4a, F). The heterotypic meiotic division results in a dyad stage (fig. 4g). The succeeding homotypic division of the dyad cell nucleus is not accompanied by cell wall for mation so each one of the dyad cells becomes 2-nucleate (fig. 4c, H). The apical dyad cell degenerates (fig. 4b, The basal one develops into an embryo sac (fig. 4d, E, I) during increasing cell growth and plasma vacuolization (fig. 4j, K). After new nuclear divisions there is a 4-nucleate embryo sac stage (fig. 4l). The material shows all the accounted stages very richly. However, there are no older embryo sac stages. 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.
Author : D. J. Mabberley
Publisher : Cambridge University Press
ISBN 13 : 9780521414210
Total Pages : 880 pages
Book Rating : 4.4/5 (142 download)
Download or read book The Plant-Book written by D. J. Mabberley and published by Cambridge University Press. This book was released on 1997-06-19 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new edition of one of the most practical and authoritative botanical dictionaries available.
Author : Berth. Nordenstam
Publisher : Forgotten Books
ISBN 13 : 9780366852758
Total Pages : 46 pages
Book Rating : 4.8/5 (527 download)
Download or read book Compositae Newsletter, Vol. 32 written by Berth. Nordenstam and published by Forgotten Books. This book was released on 2018-10-10 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Compositae Newsletter, Vol. 32: July 1998 Many similarities are found in the reference lists of these authors. Vi ikram3 have mainly used different kinds of handbooks and reviews but also some original papers. The handbooks and reviews are often referring to each other and have failed to consult the primary literature. Chandler et al.1 on the other hand are using original paperse' '2 with two exceptions However, much of the material mentioned in zirvi ikram is neglected by chandler et ai.' 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.
Author : Harold Ernest Robinson
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (243 download)
Download or read book Generic and Subtribal Classification of American Vernonieae written by Harold Ernest Robinson and published by . This book was released on 1999 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Vernonieae in America is herein defined to exclude the Liabeae and Pseudostifftia (Moquinieae), and to include elements sometimes placed in the Heliantheae (Trichospira) or Lactuceae (Stokesia). Pollen, style bases, raphids, inflorescence form, involucre, anther appendage, and chemistry are some characters used in the reclassification. Tables 1-12 indicate the distribution of these characteristics in most American genera. Vernonia s.s., with type A pollen, is typified by V. noveboracensis (L.) and occurs in the Bahamas, eastern North America, south to central Mexico and has two species in temperate South America. All other species previously placed in Vernonia need to be removed from the genus, a process that is nearly complete for neotropical species. Most American Vernonieae seem to form a single related subgroup in the tribe. Subtribes included in the related subgroup are the Lychnophorinae (x 15, 17, 18) and Centratherinae (x 16) with type A pollen and furoheliangolides; Piptocarphinae (x 17) with type A pollen, deciduous inner involucre, and sometimes opposite leaves; Vernoniinae (x 17), many with glanduliferous anther appendages (including the Lepidaploa complex mostly with echinolophate pollen); and the newly proposed subtribes Sipolisiinae with type A pollen, armed receptacles, and carbonized achenes; Chrestinae with echinolophate pollen; and Leiboldiinae (x 19) with type A pollen, large heads, and a modified callus at the top of the achene. Of uncertain relationship to the preceding related subgroup are Stokesia (x 7), the Elephantopodinae (x 11, 13), and the Rolandrinae (x 8) with echinolophate pollen; three genera with type E pollen (Pacourina, Acilepidopsis, and Mesanthophora); and the Trichospirinae with type A pollen and flattened bicornute achenes. Ten subtribes are recognized, plus four unplaced generic groups. Three of the subtribal names, Leiboldiinae, Chrestinae, and Sipolisiinae are validated in the treatment. The genus Caatinganthus of eastern Brazil, a possible relative of the Elephantopinae, is described as new. A list of the 76 accepted genera of Vernonieae, native or introduced in the New World, is provided, and a complete list of names of American Vernonieae is given with an indication of their present taxonomic dispositions and geographical distributions. Fifteen new combinations are provided.
