Variation and Evolution in Plants

Variation and Evolution in Plants is a book written by G. Ledyard Stebbins, published in 1950. It is one of the key publications embodying the modern synthesis of evolution and genetics, as the first comprehensive publication to discuss the relationship between genetics and natural selection in plants. The book has been described by plant systematist Peter H. Raven as "the most important book on plant evolution of the 20th century" and it remains one of the most cited texts on plant evolution.

First edition, 1950
(publ. Columbia University Press)

Origin

The book is based on the Jesup Lectures that Stebbins delivered at Columbia University in October and November 1946 and is a synthesis of his ideas and the then current research on the evolution of seed plants in terms of genetics.

Description and analysis of variation patterns
Examples of variation patterns within species and genera
The basis of individual variation
Natural selection and variation in populations
Genetic systems as factors in evolution
Isolation and the origin of species
Hybridization and its effects
Polyploidy I: occurrence and nature of polyploid types
Polyploidy II: geographic distribution and significance of polyploidy
Apomixis in relation to variation and evolution
Structural hybridity and the genetic system
Evolutionary trends I: the karyotype
Evolutionary trends II: External morphology
Fossils, modern distribution patterns and rates of evolution

Significance

The 643-page book cites more than 1,250 references and was the longest of the four books associated with the modern evolutionary synthesis. The other key works of the modern synthesis, whose publication also followed their authors' Jesup lectures, are Theodosius Dobzhansky's Genetics and the Origin of Species, Ernst Mayr's Systematics and the Origin of Species and George Gaylord Simpson's Tempo and Mode in Evolution. The great significance of Variation and Evolution in Plants is that it effectively killed any serious belief in alternative mechanisms of evolution for plants, such as Lamarckian evolution or soft inheritance, which were still upheld by some botanists.

Legacy

Stebbins book Flowering Plants: Evolution Above the Species Level was published in 1974 and was based on the Prather Lectures which he gave at Harvard. It is considered as an update to Variation and Evolution.

In January 2000 a colloquium was held in Irvine, California, to celebrate the fiftieth anniversary of the publication of Variation and Evolution in Plants. A 16 chapter book entitled Variation and evolution in Plants and Microorganisms: Toward a New Synthesis 50 Years After Stebbins (ISBN 0-309-07099-6) was released to mark the occasion.

References

^ Raven, P. 1974. "Plant systematics 1947-1972." Annals of the Missouri Botanical Garden 61:166-178
^ Smocovitis, V. B. and Ayala, F. J. 2000. George Ledyard Stebbins. Biographical Memoirs of the National Academy of Sciences 85:290-313
^ Raven, P. H. 2000. "G. Ledyard Stebbins (1906–2000): An appreciation". Proceedings of the National Academy of Sciences 97:6945-6946

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History of botany
Fields and disciplines	Agriculture Biogeography Bryology Cladistics Comparative anatomy Cytology Economic botany Ethnobotany Floristics Forestry Genetic engineering Horticulture Lichenology Molecular phylogenetics Mycology Natural history Numerical taxonomy Paleobotany Palynology Phycology Phytochemistry Phytogeography Plant anatomy Plant ecology Plant genetics Plant morphology Plant pathology Plant physiology Pteridology
Institutions	Jardin des Plantes Natural History Museum, London Orto botanico di Padova Orto botanico di Pisa Rothamsted Research Royal Botanic Gardens, Kew
Publications	Historia Plantarum and Causes of Plants of Theophrastus c. 300 BC De Plantis of Nicolaus of Damascus c. 1st-century BC De Materia Medica of Dioscorides c. 60 AD Naturalis Historia 77–79 AD De Vegetabilibus of Albertus Magnus c. 1256 Herbarum Vivae Icones 1530 Libellus De Re Herbaria Novus 1538 Kreütterbuch of Hieronymus Bock 1539 De plantis libri XVI of Caesalpino 1583 Stirpium Historiae 1583 Herball, or Generall Historie of Plantes 1597 Prodromus Theatrici Botanici 1620 Pinax theatri botanici 1623 Anatome Plantarum 1675 Anatomy of Plants 1682 Historia Plantarum of John Ray 1686–1704 De Sexu Plantarum Epistola 1694 Éléments de botanique 1694 Vegetable Staticks 1727 Systema Naturae 1735 Genera Plantarum 1737 Philosophia Botanica 1751 Species Plantarum 1753 Systema Naturae, 10th ed. 1758–9 Familles des Plantes 1763–4 Experiments Upon Vegetables 1779 Die Metamorphose der Pflantzen 1790 Traité d'Anatomie et de Physiologie Végétale 1802 Recherches Chimiques sur la Végétation 1804 Beyträge zur Anatomie der Pflanzen 1812 Prodromus Systematis Naturalis Regni Vegetabilis 1824–73 Nepenthaceae Die Vegetabilische Zelle 1851 Vergleichende Untersuchungen 1851 On the Origin of Species 1859 Experiments on Plant Hybridization 1865 Die Vegetation der Erde 1872 Plantesamfund 1895 Pflanzengeographie auf Physiologischer Grundlage 1898 Variation and Evolution in Plants 1950 Ontogeny and Phylogeny 1977 An Integrated System of Classification of Flowering Plants 1981
Theories and concepts	Alternation of generations Cell theory Center of diversity Phylogenetic nomenclature Spontaneous generation Taxonomy Ultrastructure
Influential figures	Theophrastus c. 371–287 BC Pliny the Elder 23–79 AD Pedanius Dioscorides c. 40–90 AD Otto Brunfels 1464–1534 Hieronymus Bock 1498–1554 Valerius Cordus 1515–1544 William Turner 1515–1568 Rembert Dodoens 1517–1585 Andrea Cesalpino 1519–1603 Cristóbal Acosta 1525-1594 Gaspard Bauhin 1560–1624 Joachim Jungius 1587–1657 John Ray 1623–1705 Nehemiah Grew 1628–1711 Marcello Malpighi 1628–1694 Joseph Pitton de Tournefort 1656–1708 Rudolf Jakob Camerarius 1665–1721 Stephen Hales 1677–1761 Bernard de Jussieu 1699–1777 Carolus Linnaeus 1707–1778 Michel Adanson 1727–1806 Jan Ingenhousz 1730–1799 José Celestino Mutis 1732-1808 Félix de Azara 1742-1821 Joseph Banks 1743–1820 Johann Wolfgang von Goethe 1749–1832 Carl Ludwig Willdenow 1765–1812 Nicolas-Théodore de Saussure 1767–1845 Alexander von Humboldt 1769–1859 Aimé Bonpland 1773–1858 Thomas Nuttall 1786–1859 Joakim Frederik Schouw 1789–1852 Matthias Jakob Schleiden 1804–1881 Alexander Braun 1805–1877 George Engelmann 1809–1884 Asa Gray 1810–1888 August Grisebach 1814–1879 Joseph Hooker 1817–1911 Gregor Mendel 1822–1884 Nathanael Pringsheim 1823–1894 Wilhelm Hofmeister 1824–1877 Julius von Sachs 1832–1897 Eugenius Warming 1841–1924 William Gilson Farlow 1844–1919 Andreas Franz Wilhelm Schimper 1856–1901 Nikolai Vavilov 1887–1943 Barbara McClintock 1902–1992 G. Ledyard Stebbins 1906–2000 Eugene Odum 1913–2002 Arthur Cronquist 1919–1992
Related	Botanical garden Herbal Plant taxonomy History of plant systematics Systems of plant taxonomy Herbalism History of agricultural science History of agriculture History of biochemistry History of biology History of biotechnology History of ecology History of evolutionary thought History of genetics History of geology History of medicine History of molecular biology History of molecular evolution History of paleontology History of phycology History of science Natural philosophy Philosophy of biology Timeline of biology and organic chemistry
Category

Variation and Evolution in Plants

Origin

Contents

Significance

Legacy

References