Truman G. Yuncker

U.s. botanist & educator (1891-1964).

Truman George Yuncker (March 20, 1891 – January 8, 1964) was a taxonomic botanist best known for his work in the family Piperaceae. Yuncker first taught at Manual High School in Indianapolis, 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 th

Abbreviations: Yunck.
Occupations: writer, scientific collector, botanist, botanical collector
Citizenships: United States
Languages: English
Dates: 1891-00-00T00:00:00Z – 1964-00-00T00:00:00Z
Birth place: Carson City
Direct attributions: 893 plants, 0 fungi
Authorship mentions: 915 plants, 0 fungi

893 plants attributed, 22 plants contributed to915 plants:

Cuscuta campestris (Field Dodder) Yunck. 1932
plant species in the convolvulaceae family
Cuscuta campestris, with the common names field dodder, golden dodder, large-seeded alfalfa dodder, yellow dodder and prairie dodder, is a parasitic plant which belongs to the family Convolvulaceae. It was formerly classified in the family Cuscutaceae. It is native to central North America. It is a parasite of a wide range of herbaceous plants. It is a pest of lucerne (alfalfa) and other legumes. It has become a widespread weed in many countries. It is known as 'golden dodder' in Australia. It has been confused in some recent literature with Cuscuta pentagona Engelmann, but the differences
Peperomia caperata (Emerald-ripple Pepper) Yunck. 1958
perennial plant species in the piperaceae family
Peperomia caperata, the emerald ripple peperomia, is a species of flowering plant in the family Piperaceae, native to Brazil. It is a mound-forming evergreen perennial growing to 20 cm (8 in) tall and wide, with corrugated heart-shaped leaves, and narrow spikes of white flowers 5–8 cm (2–3 in) long, in summer. With a minimum temperature requirement of 15 °C (59 °F), P. caperata must be grown indoors in most temperate regions.
Piper achupallasense Yunck. 1950
endangered plant species in the piperaceae family
Piper achupallasense is a species of pepper plant in the family Piperaceae. It is endemic to Ecuador.
Peperomia meridana Yunck. 1961
plant species in the piperaceae family
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Peperomia umbrigaudens Yunck. 1950
plant species in the piperaceae family
Peperomia umbrigaudens is a species of epiphyte from the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "Annals of the Missouri Botanical Garden 37(1): 81. 1950. (31 Mar 1950)". It primarily grows on wet tropical biomes.
Peperomia ubatesusanensis Yunck. 1950
plant species in the piperaceae family
Peperomia vincentiana is a species of herb from the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "London Journal of Botany 4: 415. 1845.". In Colombia, its elevation range is 2600 meters. Its etymology came from the Ubate-Susa highway in Cundinamarca.
Peperomia uaupesensis Yunck. 1966
plant species in the piperaceae family
Peperomia uaupesensis is a species of epiphyte from the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "Boletim do Instituto de Botânica (São Paulo) 3: 194–195, f. 171. 1966. (23 Dec 1966)". Its etymology came from "Vaupes".
Peperomia tutunendoana Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tutunendoana is a species of epiphyte in the genus Peperomia. It was first described by William Trelease & Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 660, f. 577. 1950". It primarily grows on wet tropical biomes. The species name came from Tutunendo, where first specimens of this species were collected. It is used as medication and has environmental uses.
Peperomia tenae Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tenae is a species of flowering plant in the genus Peperomia. It was first described by William Trelease & Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 482, f. 424. 1950". The species name came from Tena, Ecuador, where first specimens of this species were collected.
Peperomia tejana Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tejana is a species of epiphyte in the genus Peperomia. It was first described by William Trelease & Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 611, f. 535. 1950". It primarily grows on wet tropical biomes. The species name came from Río La Teja, where first specimens of this species were collected.
Peperomia tamayoi Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tamayoi is a species of lithophyte in the genus Peperomia. It was first described by William Trelease & Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 484–485, f. 427. 1950". It primarily grows on wet tropical biomes The species name came from Francisco Tamayo, a Venezuelan botanist who collect the first specimens of this species.
Peperomia perciliata Yunck. 1950
plant species in the piperaceae family
Peperomia perciliata is a species of plant in the family Piperaceae. It is native to Colombia.
Peperomia ferreyrae Yunck. 1956
plant species in the piperaceae family
Peperomia ferreyrae is a species of plant in the genus Peperomia native to Peru. It is a small, succulent herb, growing erect to about 20 cm in height. The alternating, typically 3 to 5 cm long leaves, are in the form of tubes resembling green bean pods: U-shaped in cross-section with epidermal windows on the top-side. Two varieties are known: P. ferreyrae and Peperomia ferreyrae var. musifolia. The variety musifolia is yellowish-green instead of bright green, grows slightly taller, and has leaves that are slightly shorter and thicker, tending to curve inwards rather than being straight. The
Piper brownsbergense Yunck. 1950
plant species in the piperaceae family
Piper brownsbergense is a species from the genus Piper. It was originally described by Truman G. Yuncker.
Piper begoniiforme Yunck. 1955
endangered plant species in the piperaceae family
Piper begoniiforme is a species of pepper plant in the family Piperaceae. It is endemic to Ecuador.
Peperomia vitilevuensis Yunck. 1949
plant species in the piperaceae family
Peperomia vitilevuensis is a species of epiphyte from the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "Journal of the Arnold Arboretum 30(4): 445. 1949. (J. Arnold Arbor.)". The etymology came from Viti Levu, the place where the species was discovered.
Peperomia villarrealii Yunck. 1950
plant species in the piperaceae family
Peperomia villarrealii is a species of epiphyte or lithophyte from the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 600–601, f. 524. 1950.".
Peperomia tenuimarginata Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tenuimarginata is a species of flowering plant in the genus Peperomia endemic in Colombia. It primarily grows on wet tropical biomes. Its conservation status is Threatened.
Peperomia tatei Yunck. 1955
plant species in the piperaceae family
Peperomia tatei is a species of flowering plant in the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "Linnaea 37: 380–381. 1871-1873[1872]. (Jul 1872)". The species name came from George Henry Hamilton Tate, where first specimens of this species were collected.
Peperomia tamboana Yunck. 1950
plant species in the piperaceae family
Peperomia tamboana is a species of flowering plant in the genus Peperomia. It was first described by Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 498–499, f. 444. 1950". It primarily grows in wet tropical biomes. The species name came from Tambo, where the first specimens of this species were collected.
Peperomia tambitoensis Trel. & Yunck. 1950
plant species in the piperaceae family
Peperomia tambitoensis is a species of flowering plant in the genus Peperomia. It was first described by William Trelease & Truman G. Yuncker and published in the book "The Piperaceae of northern South America 2: 475, f. 416. 1950". It primarily grows on wet tropical biomes. The species name came from Río Tambito Valley, where first specimens of this species were collected.
Peperomia subemarginata Yunck. 1966
plant species in the piperaceae family
Peperomia subemarginata is a species of epiphyte in the genus Peperomia that is endemic in Brazil. It grows on wet tropical biomes. Its conservation status is Threatened.
Peperomia praematura Trel. & Yunck. 1950
plant species in the piperaceae family
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Peperomia hutchisonii Yunck. 1961
plant species in the piperaceae family
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Piper wibomii Yunck. 1956
critically endangered plant species in the piperaceae family
Piper wibomii is a species of pepper plant in the family Piperaceae. It is endemic to Ecuador.
Piper vitaceum Yunck. 1966
plant species in the piperaceae family
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Piper vicosanum Yunck. 1966
plant species in the piperaceae family
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Piper valladolidense Yunck. 1950
endangered plant species in the piperaceae family
Piper valladolidense is a species of plant in the family Piperaceae. It is endemic to Ecuador.
Piper supernum Trel. & Yunck. 1950
vulnerable plant species in the piperaceae family
Piper supernum is a species of plant in the family Piperaceae. It is endemic to Ecuador.
Piper subrugosum Yunck. 1966
plant species in the piperaceae family
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