AUGUSTIN PYRAME DE CANDOLLE PDF

His family descended from one of the ancient families of Provence in France, but relocated to Geneva at the end of the 16th century to escape religious persecution. In , he moved to Paris after Geneva had been annexed to the French Republic. The third edition, which bears the name of both Lamarck and de Candolle, was in reality the work of the latter, the former having only lent his name and access to his collection. Two years later, he published Synopsis plantarum in flora Gallica descriptarum.

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See Article History Augustin Pyrame de Candolle, born February 4, , Geneva—died September 9, , Geneva , Swiss botanist who established scientific structural criteria for determining natural relations among plant genera. His system of plant classification found nearly universal application for half a century, during which time it served as a model for other systems.

When he was appointed professor of botany at the University of Montpellier , Candolle had already begun a government-commissioned botanical and agricultural survey of France —12 , the results of which he published in After introducing the concept of homologous parts of common ancestry, although different in structure for plants as Cuvier had done for animals—particularly convincing evidence in favour of organic evolution—Candolle, like Cuvier, nonetheless retained a firm belief in the constancy of species.

He next undertook the most ambitious task of preparing a descriptive classification of all known seed plants, Prodromus Systematis Naturalis Regni Vegetabilis 17 vol. Get exclusive access to content from our First Edition with your subscription. Subscribe today Although his taxonomy suffered from a failure to observe his own criteria in formulating broad taxa, resulting in his inclusion of gymnosperms with dicotyledons, ferns with monocotyledons, and all else as acotyledons, Candolle achieved extensive subdivision of flowering plants, describing families of dicotyledons, and demonstrated decisively the inadequacy of Linnaean classification, which his system supplanted.

He also pioneered the study of phytogeography , the biogeography of plants, by carrying out investigations in Brazil , East India , and North China This article was most recently revised and updated by Amy Tikkanen , Corrections Manager. Learn More in these related Britannica articles:.

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Alphonse Pyrame de Candolle

His family descended from one of the ancient families of Provence in France, but relocated to Geneva at the end of the 16th century to escape religious persecution. In , he moved to Paris after Geneva had been annexed to the French Republic. The third edition, which bears the name of both Lamarck and de Candolle, was in reality the work of the latter, the former having only lent his name and access to his collection. Two years later, he published Synopsis plantarum in flora Gallica descriptarum. In he was appointed professor of botany in the medical faculty of the University of Montpellier , where he would later become the first chair of botany in

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