''Rothmannia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of African

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Rubiaceae Rubiaceae () is a family (biology), family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with Petiole ( ...

. It was described in 1776 and is named for

Göran Rothman Göran Rothman (30 November 1739 – 3 December 1778) was a Swedish physician, naturalist and translator, remembered as an apostle of Carl Linnaeus. Trained at Uppsala during the final flowering of the Linnaean school, he combined medical pract ...

(1739–1778) by Thunberg – both were pupils of

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

Description

Although Rubiaceae flowers are generally organized in many-flowered inflorescences, solitary flowers are also found in this genus. The reduction of the number of flowers per inflorescence is often invertedly proportionate to the size of the flowers, which explains the large solitary flowers of some ''Rothmannia''.

Distribution and species

The genus originally had wide distribution, but is now restricted to species found in tropical and southern Africa: * '' Rothmannia annae'' (E.P. Wright) Keay * '' Rothmannia capensis'' Thunb. * '' Rothmannia ebamutensis'' Sonké * ''

Rothmannia engleriana ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' ( K.Schum.) Keay * ''

Rothmannia fischeri ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' ( K.Schum.)

Bullock Bullock may refer to: Animals * Bullock (in British English), a castrated male cattle, bovine animal of any age * Bullock (in American English), a young bull (an uncastrated male bovine animal) * Bullock (in Australia, India and New Zealand), an o ...

ex Oberm. * ''

Rothmannia globosa ''Rothmannia globosa'' is a small but highly decorative South Africa, South African tree of the family ''Rubiaceae''. It occurs in evergreen forest and along forest margins in the Eastern Cape and north to Limpopo Province and Eswatini. Bark is ...

'' ( Hochst.) Keay * ''

Rothmannia hispida ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gene ...

'' ( K.Schum.) Fagerl. * ''

Rothmannia jollyana ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gene ...

'' N. Hallé * ''

Rothmannia lateriflora ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' ( K.Schum.) Keay * ''

Rothmannia libisa ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' N. Hallé * ''

Rothmannia liebrechtsiana ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' ( De Wild. & T. Durand) Keay * ''

Rothmannia longiflora ''Rothmannia longiflora'' a tree to about height and native to tropical Africa, in the family Rubiaceae Rubiaceae () is a family (biology), family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of ...

'' Salisb. * ''

Rothmannia lujae ''Rothmannia lujae'' (Common name speckled randia) is a midlevel rainforest tree in the family Rubiaceae which is found in southern Nigeria, Equatorial Guinea, Gabon, western Cameroon, and into the Democratic Republic of Congo The Democrat ...

'' ( De Wild.) Keay * ''

Rothmannia macrocarpa ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gene ...

'' ( Hiern) Keay * ''

Rothmannia macrosiphon ''Rothmannia macrosiphon'' is a species of plant in the family Rubiaceae. It is found in Kenya and Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is border ...

'' ( K.Schum.) Bridson * ''

Rothmannia manganjae ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gene ...

'' ( Hiern) Keay * ''

Rothmannia mayumbensis ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gene ...

''(R.D. Good) Keay * ''

Rothmannia munsae ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' (

Schweinf. Georg August Schweinfurth (29 December 1836 – 19 September 1925) was a Baltic Germans, Baltic German botanist and ethnologist who explored East Central Africa. Life and explorations He was born at Riga, Latvia, then part of the Russian Emp ...

ex Hiern) E.M.A. Petit * ''

Rothmannia octomera ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' (

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 he ...

) Fagerl. * ''

Rothmannia ravae ''Rothmannia'' is a genus of African flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus. Description Although Rubiaceae flowers are gener ...

'' ( Chiov.) Bridson * '' Rothmannia talbotii'' (Wernham) Keay * '' Rothmannia urcelliformis'' ( Hiern)

ex Robyns * ''

Rothmannia whitfieldii ''Rothmannia'' is a genus of African flowering plants in the Family (biology), family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Carl Peter Thunberg, Thunberg – both were pupils of Carl Linnaeus, Linnae ...

'' ( Lindl.) Dandy

Asian species moved to other genera

The species found in western Indian Ocean, southern China to Indo-China and New Guinea are now placed in other genera, especially ''

Ridsdalea ''Ridsdalea'' is an Asian genus of plants in the family Rubiaceae; it was named after Dr. Colin Ernest Ridsdale (1944–2017), who was an English botanist and specialist in tropical plants and the Rubiaceae family. The type species is ''Ridsdal ...

:Pereira JT, Wong KM (2016) ''Sandakania'' 21: 42. IPNI - Rubiaceae: ''Ridsdalea'' J.T.Pereira & K.M.Wong
/ref> * ''R. attopevensis'' (Pit.) Bremek. * ''R. daweishanensis'' Y.M. Shui & W.H. Chen * '' R. eucodon'' ( K.Schum.) Bremek. * ''R. kampucheana'' Tirveng. * ''R. kuchingensis'' ( W.W.Sm.) K.M. Wong and ''R. malayana'' K.M. Wong are synonyms of ''

Ridsdalea grandis ''Ridsdalea grandis'' (synonym ''Gardenia grandis'') is a species of flowering plant in the family Rubiaceae native to the Malay Peninsula, Sumatra, and Borneo Borneo () is the List of islands by area, third-largest island in the world, wit ...

'' (Korth.) J.T.Pereira * ''R. macromera'' ( Lauterb. & K.Schum.) Fagerl. * ''R. merrillii'' (Elmer) J.T. Pereira & Ridsdale * ''R. pulcherrima'' (

Kurz Kurz is a German-language surname. Notable people with the surname include: * Heinz D. Kurz (born 1946), Austrian economics professor * Hermann Kurz (1813–1873), German poet and novelist * Isolde Kurz (1853–1944), German poet and short story ...

) Tirveng. * ''R. schoemannii'' ( Teijsm. & Binn.) Tirveng. * ''R. sootepensis'' (Craib) Bremek. * ''R. thailandica'' Tirveng. * ''R. uranthera'' (C.E.C. Fisch.) Tirveng. * ''R. venalis'' Bremek. * ''R. vidalii'' Bremek. * ''R. vietnamensis'' Tirveng. * ''R. wittii'' (Craib) Bremek. ''Rothmannia macrophylla'' (

Hook.f. Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For 20 years he served as director of the Ro ...

) Bremek. is a synonym of ''

Singaporandia ''Singaporandia macrophylla'' (Hook.f.) K.M.Wong is a small tree of the family Rubiaceae. It is the only species in the genus ''Singaporandia''. It occurs in lowland dipterocarp forest in Malaysia, Thailand and Sumatra. The genus name of ''Sin ...

macrophylla'' (Hook.f.) K.M.Wong

References

External links

''Rothmannia'' in the World Checklist of Rubiaceae
{{Authority control Rubiaceae genera Taxonomy articles created by Polbot