Timothy Plowman

Timothy Charles Plowman was an American ethnobotanist best known for his intensive work over the course of 15 years on the genus Erythroxylum in general, and the cultivated coca species in particular. He collected more than 700 specimens from South America, housed in the collection of the Field Museum of Natural History. The standard author abbreviation Plowman is used to indicate this person as the author when citing a botanical name.