The Anther: Form, Function and Phylogeny
Cambridge University Press, Mar 7, 1996 - Science - 351 pages
The stamen, and its fertile pollen-bearing part, and anther, have received relatively little scientific attention, in spite of their fundamental role in the reproductive cycle of flowering plants, and their importance in interpreting plant evolution. To help begin to redress this shortcoming the contributions in this volume give an indication of the kinds of studies now being undertaken with a view to stimulating further work on this neglected plant organ. Summaries of traditional and current concepts of stamen construction, function, and terminology are accompanied by new evidence, drawn from the fossil record, for the evolution of the anther and of anther-bearing plants. Current studies of growth and structure, including detailed studies of several families, help explain the dynamics of stamen evolution. New and striking illustrations of many plant structures aid our understanding of these concepts. An exhaustive bibliography and details of techniques for investigating the anther are also included. Emerging agreement can be seen on the nature of structures and functions of anthers, but the scope of some definitions and some features of the stamen and its evolution await consensus.
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The fossil history of stamens
The origin and early evolution of angiosperm stamens
Diversity and evolutionary trends in angiosperm
Are stamens and carpels homologous?
Heterochrony in the anther
Diversity of endothecial patterns in the angiosperms
The calcium oxalate package or socalled resorption
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abaxial adaxial Amer anastomosis androecial androecium angio angiosperms anther anther development apical Asclepiadaceae Asteraceae basal anastomosis baseplate bees Bernhardt Biol biology Botanical Garden Buchmann calcium oxalate carpel cell division characters Chloranthaceae cladistic Crane Crepet Cretaceous crystals D'Arcy dehiscence dehiscent anthers distal Doyle edited endothecium Ericaceae Evol evolution evolutionary families filament floral anatomy floral development floral morphology flowering plants Friis function Gard genera genus Gottsberger groups guide rail Hamamelidae helical hypodermal inflorescences insect Jahrb laminar stamens Lauraceae Linn lobes locules Magnoliales Magnoliidae male microscopy microsporangia microsporophylls Missouri Bot mode monocots monocotyledons nectar NOTES ontogeny organs ovules oxalate package patterns perianth periclinal petals phylogenetic phylogeny pollen pollen grains pollen sacs pollinia poricidal raphides seed plants sepal Solanaceae Solanum SOURCE species specimens sperms sporangia sporogenous stamens staminodes sterile stigma stomium structure summ synangia Syst tapetum taxa taxon thecae tissue Tucker U-shaped vascular wall whorls