Spermacoceae
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Spermacoceae
Spermacoceae is a tribe of flowering plants in the family Rubiaceae and contains about 1346 species in 57 genera. Its representatives are found in the tropics and subtropics. Genera Currently accepted names * '' Agathisanthemum'' (5 sp.) * '' Amphiasma'' (7 sp.) * '' Amphistemon'' (2 sp.) * '' Anthospermopsis'' (1 sp.) * '' Arcytophyllum'' (18 sp.) * '' Astiella'' (1 sp.) * '' Bouvardia'' (51 sp.) * '' Carajasia'' (1 sp.) * '' Carterella'' (1 sp.) * '' Conostomium'' (5 sp.) * '' Cordylostigma'' (9 sp.) * '' Crusea'' (15 sp.) * '' Debia'' (4 sp.) * '' Dentella'' (8 sp.) * '' Dibrachionostylus'' (1 sp.) * ''Dimetia'' (6 sp.) * '' Diodella'' (12 sp.) * '' Diodia'' (23 sp.) * '' Edrastima'' (5 sp.) * '' Emmeorhiza'' (1 sp.) * ''Ernodea'' (8 sp.) * '' Exallage'' (18 sp.) * '' Galianthe'' (48 sp.) * '' Gomphocalyx'' (1 sp.) * '' Hedyotis'' (182 sp.) * '' Hedythyrsus'' (3 sp.) * '' Houstonia'' (24 sp.) * '' Hydrophylax'' (1 sp.) * '' Involucrella'' (2 sp.) ...
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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 and sympetalous actinomorphic flowers. The family contains about 13,500 species in about 620 genera, which makes it the fourth-largest angiosperm family. Rubiaceae has a cosmopolitan distribution; however, the largest species diversity is concentrated in the tropics and subtropics. Economically important genera include ''Coffea'', the source of coffee, '' Cinchona'', the source of the antimalarial alkaloid quinine, ornamental cultivars (''e.g.'', '' Gardenia'', ''Ixora'', ''Pentas''), and historically some dye plants (''e.g.'', ''Rubia''). Description The Rubiaceae are morphologically easily recognizable as a coherent group by a combination of characters: opposite or whorled leaves that are simple and entire, interpetiolar stipules, tubu ...
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Debia
''Debia'' is a genus of flowering plants in the Family (biology), family Rubiaceae. The genus is found from the Indian subcontinent to south-central China and the Philippines. Species *''Debia andamanica'' *''Debia krewanhensis'' *''Debia oligocephala'' *''Debia ovatifolia'' References

Rubiaceae genera Spermacoceae Flora of the Philippines Flora of China {{Rubioideae-stub ...
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Cordylostigma
''Cordylostigma'' is a genus in the Rubiaceae. The name was coined in 2010 to contain 9 species formerly belonging to the related genus ''Kohautia''. The nine species are native to tropical and southern Africa from Guinea to Somalia to South Africa, as well as Madagascar, Comoros, and Réunion. Species *'' Cordylostigma amboense'' (Schinz) Groeninckx & Dessein *'' Cordylostigma cicendioides'' (K.Schum.) Groeninckx & Dessein *'' Cordylostigma cuspidatum'' (K.Schum.) Groeninckx & Dessein *'' Cordylostigma longifolium'' (Klotzsch) Groeninckx & Dessein *'' Cordylostigma microcala'' ( Bremek.) Groeninckx & Dessein *'' Cordylostigma obtusilobum'' ( Hiern) Groeninckx & Dessein *'' Cordylostigma prolixipes'' (S.Moore) Groeninckx & Dessein *'' Cordylostigma stellarioides'' ( Hiern) Groeninckx & Dessein *'' Cordylostigma virgatum'' (Willd. Carl Ludwig Willdenow (22 August 1765 – 10 July 1812) was a German botanist, pharmacist, and plant taxonomist. He is considered one of the f ...
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Astiella
''Astiella'' is a genus of flowering plants in the family Rubiaceae. It was described by Jovet (1941) as a monospecific, herbaceous genus, endemic to Madagascar. Later, 11 new species endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ... were added to the genus. Species *'' Astiella antongilensis'' *'' Astiella antsalovansis'' *'' Astiella confusa'' *'' Astiella deblockiae'' *'' Astiella delicatula'' *'' Astiella desseinii'' *'' Astiella homolleae'' *'' Astiella latifolia'' *'' Astiella longifimbria'' *'' Astiella perrieri'' *'' Astiella pulla'' *'' Astiella tsaratanensis'' References External linksHerbarium specimen of ''Astiella delicatula'' Rubiaceae genera Spermacoceae Endemic flora of Madagascar {{Rubioideae-stub ...
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Arcytophyllum
''Arcytophyllum'' is a genus of flowering plants in the family Rubiaceae. The genus contains 18 species, distributed from New Mexico to Bolivia. Description Members of this genus are shrubs or dwarf shrubs that occupy mountainous habitats. Their leaves are oppositely arranged, small, sessile or sub-sessile, and possess inconspicuous secondary venation. Flowers are tetra- or pentamerous, with the stamens adnate to the white or pink funnelform or salverform corolla. The fruit is a capsule with septicidal dehiscence. Species * '' Arcytophyllum aristatum'' Standl. - Colombia, Ecuador * '' Arcytophyllum cachirense'' (H.Karst.) K.Schum. - Colombia * '' Arcytophyllum capitatum'' (Benth.) K.Schum. - Colombia, Ecuador * '' Arcytophyllum ciliolatum'' Standl. - Ecuador, Perú * '' Arcytophyllum ericoides'' (Willd. ex Roem. & Schult.) Standl. - Ecuador, Perú * '' Arcytophyllum fasciculatum'' (A.Gray) Terrell & H.Rob. - New Mexico, Texas, Coahuila * '' Arcytophyllum filiforme'' (Ruiz & ...
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Amphistemon
''Amphistemon'' is a genus of 2 species of flowering plants in the family Rubiaceae. It is described by Inge Groeninckx in 2010 based on a molecular analysis of the ''Hedyotis''-''Oldenlandia'' group.Groeninckx I, De Block P, Robbrecht E, Smets E, Dessein S. 2010. "''Amphistemon'' and ''Thamnoldenlandia'', two new genera of Rubiaceae (Spermacoceae) endemic to Madagascar." '' Botanical Journal of the Linnean Society'' 163: 447-472. The genus name is based on the Greek 'amphi-' (=double or of two kinds) and 'stemon' (=stamen) referring to the dimorphic stamen position characteristic for this genus. Description Amphistemon are erect perennial herbs or subshrubs with the unique feature in the ''Hedyotis''-''Oldenlandia'' group of having stamens inserted at two distinct levels in the corolla tube, the lower stamens with filaments and anthers shorter than those of the upper stamens. Distribution and habitat It is endemic to southwestern and western Madagascar and is found in dry spiny ...
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Agathisanthemum
''Agathisanthemum'' is a genus of flowering plants in the family Rubiaceae. It was described by Johann Friedrich Klotzsch in 1861. It is found in tropical and southern Africa, on the Comoros and in Madagascar. Species * '' Agathisanthemum assimile'' Bremek. – Tanzania * '' Agathisanthemum bojeri'' Klotzsch – from Somalia to Eswatini plus Madagascar and Comoros **subsp. angolense (Bremek.) Verdc. – Angola, Zambia **subsp. bojeri – most of species range **var. linearifolia Verdc. – Angola, Zambia * '' Agathisanthemum chlorophyllum'' (Hochst.) Bremek. – Natal * '' Agathisanthemum globosum'' (Hochst. ex A.Rich.) Klotzsch – from Gabon and Ethiopia south to Zimbabwe and Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ... References External links World C ...
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Crusea
''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 naturalized in Cuba and Puerto Rico.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'' Lorence – Oaxaca *'' Crusea calcicola'' Greenm – San Luis Potosí, Querétaro, Guerrero, Oaxaca, Honduras *'' Crusea calocephala'' DC. – widespread from Tamaulipas to Honduras *'' Crusea coccinea'' DC. **''Crusea coccinea'' var. ''breviloba'' Loes. – from Sinaloa to Guatemala and Belize **''Crusea coccinea'' var. ''chiriquensis'' W.R.Anderson – Costa Rica and Panama **''Crusea coccinea'' var. ''coccinea'' – from Jalisco ...
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Conostomium
''Conostomium'' is a genus of flowering plants in the family Rubiaceae. The genus is found from Ethiopia to South Africa. Species *'' Conostomium gazense'' Verdc. — Mozambique *'' Conostomium longitubum'' (Beck) Cufod. — Djibouti, Ethiopia, Somalia, Kenya *'' Conostomium natalense'' (Hochst.) Bremek. — Mozambique, Zimbabwe, South Africa *'' Conostomium quadrangulare'' ( Rendle) Cufod. — Ethiopia, Sudan, Kenya, Uganda *'' Conostomium zoutpansbergense'' (Bremek.) Bremek. — Mozambique, Transvaal Transvaal is a historical geographic term associated with land north of (''i.e.'', beyond) the Vaal River in South Africa. A number of states and administrative divisions have carried the name Transvaal. * South African Republic (1856–1902; af, ... References External links''Conostomium'' in the World Checklist of Rubiaceae Rubiaceae genera Spermacoceae {{Rubioideae-stub ...
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Amphiasma
''Amphiasma'' is a genus of 7 species of flowering plants in the family Rubiaceae. It was described by Cornelis Bremekamp in 1952. The genus is found from southern Tanzania to Namibia. Species * '' Amphiasma benguellense'' ( Hiern) Bremek. - Angola, Namibia * '' Amphiasma divaricatum'' ( Engl.) Bremek. - Namibia * '' Amphiasma luzuloides'' (K.Schum.) Bremek. - Tanzania, Malawi * '' Amphiasma merenskyanum'' Bremek. - Angola, Namibia * '' Amphiasma micranthum'' (Chiov. __NOTOC__ ''Emilio Chiovenda'' (18 May 1871 – 19 February 1941) was an Italian botanist. Chiovenda was born in Rome in 1871 to a family originating from rural Piedmont. He was educated at the Collegio Rosmini in Stresa and Domodossola College b ...) Bremek. - Angola * '' Amphiasma redheadii'' Bremek. - Zambia * '' Amphiasma robijnsii'' Bremek. - Zaïre (Congo-Kinshasa) References External links ''Amphiasma'' in the World Checklist of Rubiaceae Rubiaceae genera Spermacoceae Flora of Southern Af ...
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Carterella
''Carterella'' is a monotypic genus of flowering plants in the family Rubiaceae.Terrell, Edward Everett. 1987. Brittonia 39(2): 250, ''Carterella alexanderae''Carter, Annetta Mary. 1955. Madroño 13(4): 142–144, f. 1–2. ''Bouvardia alexanderae'' The genus contains only one species, viz. ''Carterella alexanderae'', which is endemic to Baja California Sur in Mexico. It grows on steep slopes in the mountains. Description This species is a woody perennial that grows 30 to 60 cm tall, with terete stems. The leaves are 15 to 45 mm long, and 3 to 10 mm wide, opposite or occasionally formed in whorls of three, shaped linear-lanceolate, and acute at their apex. The flowers grow on a 5 to 12 flowered compact cyme, borne on pedicels up to 1 cm long. There are 4 calyx lobes, shaped lance-linear, and 4 to 5 mm long, 1 to 1.5 mm wide at the base. The corolla is salverform and colored white, with the corolla tube 2.5 to 3.5 cm long, the throat 2 mm in diameter, and the lobes shaped o ...
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Carajasia
''Carajasia'' is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ..., viz. ''Carajasia cangae'', which is found on the mountain summits of Serra dos Carajás (Pará, Brazil). References Monotypic Rubiaceae genera Spermacoceae {{Rubioideae-stub ...
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