Brongniart, Adolphe Théodore (ädôlfˈ tāōdôrˈ brôNyärˈ) [key], 1801–76, French botanist; son of Alexandre Brongniart. He was a pioneer in the study of plant morphology and physiology and was author of an important work on plant fossils (1828–37) and of a valuable first account of pollen. His classification of plants in the natural history museum at Paris was the basis of the system now used in Germany and developed by Adolph Engler. He helped establish the Annales des sciences naturelles and founded the Société botanique de France.
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