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Author: Yvonne C. F. Su Publisher: ISBN: Category : Science Languages : en Pages : 220
Book Description
Monograph of the genus Pseuduvaria (Annonaceae) - taxnomic history, morphology and anatomy, distribution, taxonomy (keys, full synonymies, descriptions, maps), line drawings, color plates.
Author: Yvonne C. F. Su Publisher: ISBN: Category : Science Languages : en Pages : 220
Book Description
Monograph of the genus Pseuduvaria (Annonaceae) - taxnomic history, morphology and anatomy, distribution, taxonomy (keys, full synonymies, descriptions, maps), line drawings, color plates.
Author: Aruna D. Weerasooriya Publisher: ISBN: Category : Nature Languages : en Pages : 192
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: Philip Stewart Publisher: CRC Press ISBN: 1466558636 Category : Science Languages : en Pages : 330
Book Description
This title includes a number of Open Access chapters. This book provides an important collection of new research that sheds light on many aspects of the evolutionary patterns of gymnosperms, angiosperms, and pteridophtes. The book includes a complete chloroplast genome sequence study and describes a method that induces the systemic silencing of target genes in the Ceratopteris gametophyte. It presents a study of how herbicide treatments reduce fern densities and create the establishment of regeneration. It also analyzes an EST dataset from G. biloba that reveals genes potentially unique to gymnosperms and includes a study of episodic rate acceleration in the ancestral grasses.
Author: Yvonne C. F. Su
Author: Yvonne C. F. Su
Author: Aruna D. Weerasooriya
Author: 
Author: Leila M. Shultz
Author: Thomas L. P. Couvreur
Author: John Littner Clark
Author: Philip Stewart
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Author: Mac H. Alford
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