Systematics Of Tetramerium Acanthaceae
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Systematics Of Tetramerium Acanthaceae
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Author : Thomas F. Daniel
language : en
Publisher:
Release Date : 1986
Systematics Of Tetramerium Acanthaceae written by Thomas F. Daniel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Science categories.
Palynology And Systematics Of Acanthaceae
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Author : Robert Winning Scotland
language : en
Publisher:
Release Date : 1990
Palynology And Systematics Of Acanthaceae written by Robert Winning Scotland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Structure And Development Of Flowers And Systematics In Thunbergioideae S L Acanthaceae
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Author : Jürg Schönenberger
language : en
Publisher:
Release Date : 1998
Structure And Development Of Flowers And Systematics In Thunbergioideae S L Acanthaceae written by Jürg Schönenberger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Leaf Architecture And Systematics Of Acanthaceae And Related Families
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Author : Chengara Puthanveetil Sreemadhavan
language : en
Publisher:
Release Date : 1976
Leaf Architecture And Systematics Of Acanthaceae And Related Families written by Chengara Puthanveetil Sreemadhavan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Acanthaceae categories.
Systematics And Distribution Of Old World Mendoncia Acanthaceae Thunbergioideae
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Author : Emily Bannon Magnaghi
language : en
Publisher:
Release Date : 2010
Systematics And Distribution Of Old World Mendoncia Acanthaceae Thunbergioideae written by Emily Bannon Magnaghi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Systematics Of Hemigraphis Nees Acanthaceae
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Author : Elizabeth C. Moylan
language : en
Publisher:
Release Date : 2001
Systematics Of Hemigraphis Nees Acanthaceae written by Elizabeth C. Moylan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Acanthaceae categories.
Systematics And Pollination System Evolution In Ruellia Acanthaceae
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Author : Erin Anne Tripp
language : en
Publisher: ProQuest
Release Date : 2008
Systematics And Pollination System Evolution In Ruellia Acanthaceae written by Erin Anne Tripp and has been published by ProQuest this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Acanthaceae categories.
Evolutionary relationships among species within the large plant genus Ruellia (Acanthaceae) have never been studied. With approximately 300 species, Ruellia is geographically widespread and morphologically diverse. Molecular data for almost half of the genus in addition to 16 closely related genera in Ruellieae were used to reconstruct phylogenetic relationships and to understand morphological evolution. Ruellia s.l. (including Blechum spp., Eusiphon geayi, and Polylychnis fulgens) is monophyletic: Old World species form an early-diverging grade from which New World species are derived and monophyletic. Several New World lineages are informally recognized and supported by morphology. Two new taxonomic combinations Ruellia geayi and Ruellia fulgens are made. Additional study of morphology and relationships within the New World Blechum lineage of Ruellia resulted in a transfer of the entire genus Blechum to Ruellia. New lectotypifications, combinations (Ruellia haughtii and Ruellia panamensis), synonymies, and further nomenclatural recommendations are made. Another lineage of New World Ruellia, Ruellia section Chiropterophila, is composed of rare species that are endemic to Mexico. To better understand these poorly known species, a taxonomic revision of sect. Chiropterophila was conducted. This revision includes phylogenetic analyses and thorough elevation, floristic, habitat, rainfall, and temperature maps generated via GIS. A key to all 12 known species of section Chiropterophila including one species described as new to science, Ruellia laslobasensis, is provided. Using the comprehensive species phylogeny of Ruellia, the evolution of pollination systems was studied. Phylogenetic analyses, morphological ordinations, ancestral state reconstructions, and a character mapping simulation were conducted to reveal key patterns in the direction and lability of floral characters associated with pollination. Significant floral morphological differences among species were found, and these were generally associated with different groups of floral visitors. Floral evolution has been highly labile and also directional. Some specialized systems such as hawkmoth or bat pollination are likely evolutionary dead-ends. In contrast, specialized pollination by hummingbirds is clearly not a dead-end. There is strong evidence for multiple reverse transitions from presumed ancestral hummingbird pollination to more derived bee or insect pollination. These repeated origins of insect pollination from hummingbird-pollinated ancestors have not evolved without historical baggage. Flowers of insect-pollinated species derived from hummingbird-pollinated ancestors are morphologically more similar to hummingbird flowers than they are to other more distantly related insect-pollinated flowers. Finally, some pollinator switches were concomitant with changes in floral morphology that are associated with those pollinators. These observations are consistent with the hypothesis that some transitions have been adaptive in the evolution of Ruellia.
Leaf Architecture And Systematics Of Acanthaceae And Related Families
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Author : Chengara Puthanveetil Sreemadhavan
language : en
Publisher:
Release Date : 1987
Leaf Architecture And Systematics Of Acanthaceae And Related Families written by Chengara Puthanveetil Sreemadhavan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Monograph Of Tetramerium And Henrya
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Author : George Bippus Happ
language : en
Publisher:
Release Date : 1937
Monograph Of Tetramerium And Henrya written by George Bippus Happ and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1937 with categories.
Systematic Botany Monographs
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Author :
language : en
Publisher:
Release Date : 2004
Systematic Botany Monographs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Plants categories.