Revision of Neosprucea (Salicaceae) PDF Download
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Author: Mac H. Alford
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 72
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Book Description
Author: Mac H. Alford
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 72
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Book Description
Author: Aruna D. Weerasooriya
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 192
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Book Description
"The genus Mitrephora (Annonaceae) comprises 47 species of small to medium-sized trees, growing in tropical lowland and submontane forests throughout Southeast Asia. The centers of diversity lie in Borneo, where there are 12 species, and the Philippines, where there are 11 species. The flowers are pendent and hermaphroditic, with two whorls of petals, of which the outer petals are larger. The inner petals are apically con-nivent over the productive structures, forming a partially enclosed pollination chamber with small apertures between the basal claws of the petals that enable entry by pollinators. A field study of the pollination ecology of M. heyneana in Sri Lanka (the first such study for the genus) revealed pollination by small nitidulid beetles, although it is possible that other species may be fly-pollinated. This monograph is the first comprehensive taxonomic revi-sion of the genus. The work is based on a comprehensive study of comparative morphology and anatomy, including a survey of previously published work. Conservation assessments are provided for each species, according to current IUCN Red List categories and criteria. All species are mapped and many are illustrated with line drawings and/or photographs. Separate keys for flowering and fruiting material are included, as well as regional keys. Seven new species (M. amdjahii, M. endertii, M. kostermansii, M. multifolia, M. sorsogonensis, M. sundaica, and M. uniflora) and one new combination (M. macrocarpa) are proposed"--Publisher's description.
Author: Thomas Louis Peter Couvreur
Publisher:
ISBN:
Category : Annonaceae
Languages : en
Pages : 164
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Author: Leila M. Shultz
Publisher:
ISBN:
Category : Artemisia
Languages : en
Pages : 146
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Author: Harry Dunlap MacGinitie
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 238
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Author: John Littner Clark
Publisher:
ISBN:
Category : Gesneriaceae
Languages : en
Pages : 146
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Author: Mac Haverson Alford
Publisher:
ISBN:
Category : Flacourtiaceae
Languages : en
Pages : 580
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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: Walter S. Judd
Publisher: Sinauer Associates Incorporated
ISBN: 9780878934034
Category : Science
Languages : en
Pages : 576
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Book Description
Incorporating phylogenetic principles and methods throughout, this text moves from the careful explanation of phylogenetic methods and principles to the taxonomic survey of vascular plant families. A much expanded CD-ROM is included, containing over 2,200 colour photos illustrating the diagnostic characters of plant families covered in the text. Appropriate for any course devoted to the systematics of plants, this text assumes no prerequisites other than introductory botany or biology.
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 86
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