Truman George Yuncker (March 20, 1891 – January 8, 1964) was a

taxonomic Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

best known for his work in the family Piperaceae. Yuncker first taught at Manual High School in

Indianapolis Indianapolis (), colloquially known as Indy, is the state capital and most populous city of the U.S. state of Indiana and the seat of Marion County. According to the U.S. Census Bureau, the consolidated population of Indianapolis and Marion ...

, Indiana. After service in World War I, he received his doctorate from the University of Illinois in 1919. Soon after, he became a faculty member at DePauw University and became head of the botany and bacteriology department in 1921 and held that post until retirement in 1956. During his tenure he described 839 new species, 211 new varieties and 25 new formae in the Piperaceae. He wrote the treatment of that family in almost every regional flora published during his lifetime. His early studies were on the genus '' Cuscuta'', in which he described 67 new species and 39 new varieties.

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* 1891 births 1964 deaths American botanists University of Illinois Urbana-Champaign alumni DePauw University faculty {{US-botanist-stub