''Crusea'' (common name saucer flower) is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

angiosperms Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of br ...

(flowering plants) in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Rubiaceae The Rubiaceae are a 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 interpetiolar stipules ...

. The genus is found in the south-western United States (

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...

and

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

), Mexico, and Central America. A few species are naturalized in Cuba and

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...

.Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera. 2012. Rubiaceae a Verbenaceae. 4(2): i–xvi, 1–533. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Missouri Botanical Garden Press, St. Louis.

Species

*''

Crusea andersoniorum ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' Lorence –

Oaxaca ) , population_note = , population_rank = 10th , timezone1 = CST , utc_offset1 = −6 , timezone1_DST = CDT , utc_offset1_DST = −5 , postal_code_type = Postal ...

*''

Crusea calcicola ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' Greenm – San Luis Potosí,

Querétaro Querétaro (), officially the Free and Sovereign State of Querétaro ( es, Estado Libre y Soberano de Querétaro, links=no; Otomi: ''Hyodi Ndämxei''), is one of the 32 federal entities of Mexico. It is divided into 18 municipalities. Its capi ...

Guerrero Guerrero is one of the 32 states that comprise the Administrative divisions of Mexico, 32 Federal Entities of Mexico. It is divided in Municipalities of Guerrero, 81 municipalities and its capital city is Chilpancingo and its largest city is Acap ...

, Oaxaca, Honduras *''

Crusea calocephala ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

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 ...

– widespread from

Tamaulipas Tamaulipas (), officially the Free and Sovereign State of Tamaulipas ( es, Estado Libre y Soberano de Tamaulipas), is a state in the northeast region of Mexico; one of the 31 states which, along with Mexico City, comprise the 32 Federal Entiti ...

to Honduras *''

Crusea coccinea ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' DC. **''Crusea coccinea'' var. ''breviloba'' Loes. – from

Sinaloa Sinaloa (), officially the Estado Libre y Soberano de Sinaloa ( en, Free and Sovereign State of Sinaloa), is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. It is divided into 18 municipalities and ...

to Guatemala and Belize **''Crusea coccinea'' var. ''chiriquensis'' W.R.Anderson – Costa Rica and Panama **''Crusea coccinea'' var. ''coccinea'' – from

Jalisco Jalisco (, , ; Nahuatl: Xalixco), officially the Free and Sovereign State of Jalisco ( es, Estado Libre y Soberano de Jalisco ; Nahuatl: Tlahtohcayotl Xalixco), is one of the 31 states which, along with Mexico City, comprise the 32 Federal ...

to Oaxaca *''

Crusea coronata ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' B.L.Rob. & Greenm. – from

Sonora Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. The state is divided into 72 municipalities; the ...

to Oaxaca *''

Crusea diversifolia ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' (

Kunth Carl Sigismund Kunth (18 June 1788 – 22 March 1850), also Karl Sigismund Kunth or anglicized as Charles Sigismund Kunth, was a German botanist. He is known for being one of the first to study and categorise plants from the American continent ...

) W.R.Anderson – widespread from

and

to Guatemala *''

Crusea hispida ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' (

Mill. Philip Miller FRS (1691 – 18 December 1771) was an English botanist and gardener of Scottish descent. Miller was chief gardener at the Chelsea Physic Garden for nearly 50 years from 1722, and wrote the highly popular ''The Gardeners Dicti ...

) Rob. **''Crusea hispida'' var. ''grandiflora'' (Paul G.Wilson) W.R.Anderson – Guerrero,

México State The State of Mexico ( es, Estado de México; ), officially just Mexico ( es, México), is one of the 32 federal entities of the United Mexican States. Commonly known as Edomex (from ) to distinguish it from the name of the whole country, it is ...

Distrito Federal A federal district is a type of administrative division of a federation, usually under the direct control of a federal government and organized sometimes with a single municipal body. Federal districts often include capital districts, and they e ...

**''Crusea hispida'' var. ''hispida'' – widespread across much of Mexico and naturalized in Cuba *''

Crusea longiflora ''Crusea'' (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States ( Arizona and New Mexico), Mexico, and Central America. A few species are natu ...

'' (

Roem. Johann Jacob Roemer (8 January 1763, Zurich – 15 January 1819) was a physician and professor of botany in Zurich, Switzerland. He was also an entomologist. With Austrian botanist Joseph August Schultes, he published the 16th edition of Carl ...

Schult. Josef (Joseph) August Schultes (15 April 1773 in Vienna – 21 April 1831 in Landshut) was an Austrian botanist and professor from Vienna. Together with Johann Jacob Roemer (1763–1819), he published the 16th edition of Linnaeus' ''Systema ...

) W.R.Anderson – widespread across much of Mexico and naturalized in

*'' Crusea lucida''

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 ...

– Sonora, Sinaloa, Jalisco,

Nayarit Nayarit (), officially the Free and Sovereign State of Nayarit ( es, Estado Libre y Soberano de Nayarit), is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided in 20 municipalities and its ...

Colima Colima (), officially the Free and Sovereign State of Colima ( es, Estado Libre y Soberano de Colima), is one of the 31 states that make up the 32 Federal Entities of Mexico. It shares its name with its capital and main city, Colima. Colima i ...

Michoacán Michoacán, formally Michoacán de Ocampo (; Purépecha: ), officially the Free and Sovereign State of Michoacán de Ocampo ( es, Estado Libre y Soberano de Michoacán de Ocampo), is one of the 32 states which comprise the Federal Entities of ...

, Guerrero *'' Crusea megalocarpa'' (

A.Gray Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botanist of the 19th century. His '' Darwiniana'' was considered an important explanation of how religion and science were not necessarily mutually exc ...

) S.Watson – widespread across much of Mexico *'' Crusea parviflora''

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 ...

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 ...

– widespread across much of Mexico, south to Nicaragua *'' Crusea psyllioides'' (Kunth) W.R.Anderson – widespread across much of Mexico *'' Crusea pulcherrima'' Borhidi & Salas-Mor. – Oaxaca *'' Crusea setosa'' (M.Martens & Galeotti) Standl. &

Steyerm. Julian Alfred Steyermark (January 27, 1909 – October 15, 1988) was a Venezuelan American botanist. His focus was on New World vegetation, and he specialized in the family Rubiaceae. Life and work Julian Alfred Steyermark was born in St. Louis, ...

– widespread across much of Mexico, south to Nicaragua *'' Crusea wrightii'' A.Gray **''Crusea wrightii'' var. ''angustifolia'' W.R.Anderson – central and southern Mexico **''Crusea wrightii'' var. ''wrightii'' – widespread across much of Mexico, north into Arizona

References

External links

''Crusea'' in the World Checklist of Rubiaceae
* ttp://unibio.unam.mx/irekani/handle/123456789/21056?proyecto=Irekani Irekani, Universidad Nacional Autónoma de Méxicobr>Gardening EuropePhoto of herbarium specimen at Missouri Botanical Garden, isotype of ''Crusea wrightii'' var. ''angustifolia'', collected in Guerrero
{{Taxonbar, from=Q8351937 Rubiaceae genera Spermacoceae Flora of Central America