''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.USDA Plants Database
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Other buttonweeds

Many species of ''Diodia'' have been transferred to a closely related genus '' Diodella'', and therefore the name buttonweed also applies to these species. There are also many species of false buttonweeds in the related genus ''

Spermacoce ''Spermacoce'' or false buttonweed is a genus of flowering plants in the family Rubiaceae. It comprises about 275 species found throughout the tropics and subtropics. Its highest diversity is found in the Americas, followed by Africa, Australia a ...

''. ''

Abutilon theophrasti ''Abutilon theophrasti'' (velvetleaf, velvet plant, velvetweed, Chinese jute, China jute, crown weed, buttonweed, lantern mallow, butterprint, pie-marker, or Indian mallow) is an annual plant in the family Malvaceae, native to southern Asia. It' ...

'' in the family Malvaceae is also known by the common name of buttonweed.

Species

* ''

Diodia aulacosperma ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West ...

K.Schum. Karl Moritz Schumann (17 June 1851 – 22 March 1904) was a German botanist. Schumann was born in Görlitz. He was curator of the Botanisches Museum in Berlin-Dahlem from 1880 until 1894. He also served as the first chairman of the ''Deut ...

- Socotra, Somalia, Kenya, Tanzania * ''

Diodia barbata ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

'' (

Poir. Jean Louis Marie Poiret (11 June 1755 in Saint-Quentin7 April 1834 in Paris) was a French clergyman, botanist, and explorer. From 1785 to 1786, he was sent by Louis XVI to Algeria to study the flora. After the French Revolution, he became a ...

)

DC. Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...

- Guyana, Dominican Republic * ''

Diodia barbigera ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

Hook. Sir William Jackson Hooker (6 July 178512 August 1865) was an English botanist and botanical illustrator, who became the first director of Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew h ...

Arn. George Arnott Walker Arnott of Arlary (6 February 1799 – 17 April 1868) was a Scottish botanist. Early life George Arnott Walker Arnott was born in Edinburgh in 1799, the son of David Walker Arnott of Arlary. He attended Milnathort Parish ...

- Mexico * ''

Diodia discolor ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

- French Guiana * ''

Diodia domingensis ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

- Dominican Republic * ''

Diodia flavescens ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

Hiern Hiern is a British surname. Notable people with the surname include: * Barry Hiern (born 1951), Australian cricketer *Ross Hiern (1922–1999), Australian cricketer *William Philip Hiern (1839–1925), British mathematician and botanist See also * ...

- Angola, Zambia * ''

Diodia incana ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West ...

'' Aresch. - Ecuador * ''

Diodia kuntzei ''Diodia'' (or buttonweed) is a genus of flowering plants in the Family (biology), family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, t ...

- Venezuela, Bolivia, Peru, Brazil, Argentina, Paraguay * '' Diodia macrophylla''

- Brazil, Paraguay * '' Diodia microcarpa''

- Brazil * '' Diodia mitens'' Bello - Puerto Rico * '' Diodia othonii'' Rizzini - Brazil * '' Diodia paludosa'' Kuntze - Paraguay * '' Diodia perforata''

Urb. Ignatz Urban (7 January 1848 – 7 January 1931) was a German botanist. He is known for his contributions to the flora of the Caribbean and Brazil, and for his work as curator of the Berlin Botanical Garden. Born the son of a brewer, Urban s ...

- Haiti * '' Diodia rubricosa''

- Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone * '' Diodia saponariifolia'' (

Cham. Adelbert von Chamisso (; 30 January 178121 August 1838) was a Germans, German poet and botanist, author of ''Peter Schlemihl'', a famous story about a man who sold his shadow. He was commonly known in French as Adelbert de Chamisso (or Chamissot ...

Schltdl. Diederich Franz Leonhard von Schlechtendal (27 November 1794, Xanten – 12 October 1866, Halle an der Saale, Halle) was a German botanist. He studied in Berlin, in 1819 becoming curator of the Botanical Garden in Berlin, Royal Herbarium. He was ...

)

* ''

Diodia saponarioides ''Diodia'' (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and ...

'' C.Presl - Mexico, Brazil, Argentina, Paraguay * '' Diodia simplex''

Sw. Olof Peter Swartz (21 September 1760 – 19 September 1818) was a Swedish botanist and taxonomist. He is best known for his taxonomic work and studies into pteridophytes. Biography Olof Swartz attended the University of Uppsala where he st ...

- Cuba, Jamaica * '' Diodia spicata'' Miq. - Panama, Colombia, Venezuela, Guyana, French Guinea, Brazil * '' Diodia vaginalis''

Benth. George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studie ...

- Benin, Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo, Cameroon, Gabon, Congo-Brazzaville * '' Diodia verticillata'' Vahl - Brazil, Lesser Antilles * ''

Diodia virginiana ''Diodia virginiana'' is a plant species in the Rubiaceae, common name Virginia buttonweed. It is a spreading, matted perennial with opposite leaves, often mottled because of a virus that attacks the foliage. Flowers are white, cross-shaped with ...

'' L. - Virginia buttonweed - south-central and south-eastern United States from Texas to Kansas, east to Florida and New Jersey; also Connecticut, Cuba and Nicaragua. Naturalized in Japan, Taiwan and northern California

References

External links

''Diodia'' in the World Checklist of RubiaceaeJepson Manual TreatmentUSDA Plants Profile
Rubiaceae genera Spermacoceae Taxa named by Carl Linnaeus {{Rubioideae-stub