{{Short description|Genus of flowering plants}} {{Automatic taxobox |image = Oxypetalum caeruleum0.jpg |image_caption = ''Oxypetalum coeruleum'', flowers |display_parents = 2 |taxon = Oxypetalum |authority = R.Br., conserved name |synonyms_ref = <ref name=POWO_331823-2>{{Cite POWO|title=''Oxypetalum'' R.Br..|id=331823-2|access-date=2023-11-28|mode=cs1}}</ref><ref name=q>[http://www.tropicos.org/Name/40035487 Tropicos, genus ''Oxypetalum'' ]</ref> |synonyms = {{Genus list |Amblyopetalum|(Griseb.) Malme |Bustelma|E.Fourn., Fl. Bras. 6(4): 288 (1885) |Calostigma|Decne. |Corollonema|Schltr. |Cystostemma|E.Fourn., Fl. Bras. 6(4): 204 (1885) |Dactylostelma|Schltr. |Gothofreda|Vent., nom. rej. |Metoxypetalum|Morillo |Pachyglossum|Decne. |Rhyssostelma|Decne. |Schistogyne|Hook. & Arn. |Schizostemma|Decne. |Widgrenia|Malme }} }}
'''''Oxypetalum''''' is a genus of flowering plants in the family Apocynaceae, first described with this name in 1810.<ref>Brown, Robert. 1810. On the Asclepiadeae 30.</ref> The genus is native to South America.<ref name=q/><ref name=LSM>{{cite web |url=http://www.bio.uni-bayreuth.de/planta2/research/databases/delta_as/www/oxyp.htm |title=The Genera of Asclepiadoideae, Secamonoideae and Periplocoideae (Apocynaceae)|last1=Liede-Schumann|first1=Sigrid|last2=Meve|first2=Ulrich|date=2006|website=|publisher=|accessdate=19 November 2013}}</ref><ref>Forzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010 {{Webarchive|url=https://web.archive.org/web/20150906080403/http://floradobrasil.jbrj.gov.br/2010 |date=2015-09-06 }}. Jardim Botânico do Rio de Janeiro, Rio de Janeiro</ref><ref>Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monographs in systematic botany from the Missouri Botanical Garden 107(1–3): i–xcvi, 1–3348.</ref><ref>Wood, J. R. I., F. Mamani M., P. Pozo, J. D. Soto & D. Villarroel Segarra. (eds.) 2011. Guía Darwin de las plantas de los cerrados de la Chiquitania 1–212. Museo de Historia Natural Noel Kempff Mercado, Santa Cruz</ref><ref>Funk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 1–584</ref>
''Oxypetalum coeruleum'' is cultivated as an ornamental.
==Species== {{As of|2023|November}}, Plants of the World Online accepted the following species:<ref name=POWO_331823-2/> {{columns-list|colwidth=22em| * ''Oxypetalum acerosum'' {{small|Malme}} – Paraguay * ''Oxypetalum aequaliflorum'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum albicans'' {{small|Schltr.}} – Brazil * ''Oxypetalum alpinum'' {{small|(Vell.) Fontella & E.A.Schwarz}} – Brazil * ''Oxypetalum appendiculatum'' {{small|Mart.}} – Paraguay, Brazil * ''Oxypetalum arachnoideum'' {{small|E.Fourn.}} – Rio de Janeiro * ''Oxypetalum arenicola'' {{small|Hauman ex Lillo}} – Argentina * ''Oxypetalum argentinum'' {{small|Malme}} – Argentina * ''Oxypetalum arnottianum'' {{small|H.Buek}} – Brazil * ''Oxypetalum attenuatum'' {{small|(Rusby) Malme}} – Bolivia * ''Oxypetalum aurantiacum'' {{small|Malme ex Chodat & Hassl.}} – Paraguay * ''Oxypetalum balansae'' {{small|Malme}} – Paraguay * ''Oxypetalum banksii'' {{small|R.Br. ex Schult.}} – Bahia * ''Oxypetalum barberoanum'' {{small|T.Mey.}} – Paraguay * ''Oxypetalum boliviense'' {{small|Schltr.}} – Bolivia * ''Oxypetalum boudetii'' {{small|Fontella & Goes}} – Brazil (Espírito Santo) * ''Oxypetalum brachystemma'' {{small|Malme}} – Argentina, Bolivia * ''Oxypetalum brachystephanum'' {{small|(Malme) Malme}} – Paraguay * ''Oxypetalum brussae'' {{small|H.A.Keller & Andrés González}} – Uruguay * ''Oxypetalum capitatum'' {{small|Mart.}} – Brazil, Bolivia, Venezuela, Guyana, Suriname * ''Oxypetalum ceratostemma'' {{small|Malme}} – Paraguay * ''Oxypetalum charrua'' {{small|T.Mey.}} – Brazil, Argentina, Chile * ''Oxypetalum chodatianum'' {{small|Malme}} – Paraguay * ''Oxypetalum coalitum'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum coccineum'' -{{small|Griseb.}} – Argentina * ''Oxypetalum coeruleum'' {{small|(D.Don ex Sweet) Decne.}} – Argentina * ''Oxypetalum commersonianum'' {{small|(Decne.) Fontella & E.A.Schwarz}} – Uruguay * ''Oxypetalum confusum'' {{small|Malme}} – Rio Grande do Sul * ''Oxypetalum cordifolium'' {{small|(Vent.) Schltr.}} – widespread from Cuba + San Luis Potosí south to Peru * ''Oxypetalum corymbosum'' {{small|(Malme) Liede & Meve}} – eastern Bolivia to Paraguay, northeastern Argentina (Corrientes), and eastern Brazil * ''Oxypetalum costae'' {{small|Occhioni}} – Rio de Janeiro * ''Oxypetalum crispum'' {{small|Wight ex Hook. & Arn.}} – Bolivia, S Brazil * ''Oxypetalum dactylostelma'' {{small|Goyder}} – Bolivia * ''Oxypetalum deltoideum'' {{small|E.Fourn.}} – Brazil (Rio de Janeiro) * ''Oxypetalum dombeyanum'' {{small|Decne.}} – Peru and Bolivia * ''Oxypetalum dusenii'' {{small|Malme}} – Paraná * ''Oxypetalum ekblomii'' {{small|Malme}} – Matto Grosso * ''Oxypetalum erectum'' {{small|Mart.}} – Minas Gerais * ''Oxypetalum erianthum'' {{small|Decne.}} – Goiás * ''Oxypetalum erostre'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum fiebrigii'' {{small|(Malme) Goyder & Rapini}} – Bolivia, Argentina * ''Oxypetalum filamentosum'' {{small|Malme}} – Paraguay * ''Oxypetalum flavopurpureum'' {{small|Goyder & Fontella}} – Bolivia, Peru * ''Oxypetalum foliosum'' {{small|Mart.}} – São Paulo * ''Oxypetalum fontellae'' {{small|S.A.Cáceres}} – northern Argentina * ''Oxypetalum fuscum'' {{small|Goyder & Fontella}} – Bolivia * ''Oxypetalum glabrescens'' {{small|Malme}} – Paraguay * ''Oxypetalum glaziovianum'' {{small|Loes.}} – Brazil * ''Oxypetalum glaziovii'' {{small|(E.Fourn.) Fontella & Marquete}} – Brazil * ''Oxypetalum globosum'' {{small|C.Ezcurra & C.M.Martín}} – Argentina (Salta) * ''Oxypetalum glomeratum'' {{small|E.Fourn.}} – Brazil (Minas Gerais) * ''Oxypetalum gracile'' {{small|T.Mey.}} – N Argentina * ''Oxypetalum guaraniticum'' {{small|(Malme) Malme}} – Argentina * ''Oxypetalum gyrophyllum'' {{small|Farinaccio & Mello-Silva}} – Rio de Janeiro, São Paulo * ''Oxypetalum habrogynum'' {{small|Farinaccio}} – Parque Nacional da Serra da Canastra in Minas Gerais * ''Oxypetalum harleyi'' {{small|(Fontella & Goyder) Farin.}} – NE Brazil * ''Oxypetalum helios'' {{small|Farinaccio}} – Parque Nacional da Serra da Canastra in Minas Gerais * ''Oxypetalum heptalobum'' {{small|Goyder & Rapini}} – Bolivia * ''Oxypetalum hilarianum'' {{small|E.Fourn.}} – Rio Grande do Sul in Brazil, Misiones in Argentina * ''Oxypetalum hoehnei'' {{small|Malme}} – Paraná * ''Oxypetalum humile'' {{small|(Morong) Hassl.}} – Paraguay * ''Oxypetalum incanum'' {{small|E.Fourn.}} – São Paulo * ''Oxypetalum insigne'' {{small|(Decne.) Malme}} – São Paulo * ''Oxypetalum jacobinae'' {{small|Decne.}} – Bahia * ''Oxypetalum joergensenii'' {{small|T.Mey}} – Argentina * ''Oxypetalum kassneri'' {{small|H.A.Keller & Funez}} – Brazil (Santa Catarina) * ''Oxypetalum kleinii'' {{small|Fontella & Marquete}} – Santa Catarina * ''Oxypetalum kuhlmannianum'' {{small|Occhioni}} – Minas Gerais * ''Oxypetalum laciniatum'' {{small|Rapini & Farinaccio}} – Brazil (Bahia) * ''Oxypetalum lanatum'' Decne. ex E.Fourn. – Serra dos Órgãos in Rio de Janeiro * ''Oxypetalum leonii'' {{small|Malme}} – Minas Gerais * ''Oxypetalum lineare'' {{small|Decne.}} – São Paulo * ''Oxypetalum lividum'' {{small|Farinaccio}} – Peru * ''Oxypetalum longipedunculatum'' {{small|(Malme) Goyder & Rapini}} – northwestern Argentina * ''Oxypetalum lutescens'' {{small|E.Fourn.}} – Rio de Janeiro * ''Oxypetalum lynchianum'' {{small|T.Mey.}} – Chaco in Argentina * ''Oxypetalum macrolepis'' {{small|(Hook. & Arn.) Decne.}} – southern Brazil, Paraguay, Uruguay, and northeastern Argentina * ''Oxypetalum malmei'' {{small|Hoehne}} – Paraná * ''Oxypetalum marambaiense'' {{small|Occhioni}} – Brazil (Rio de Janeiro) * ''Oxypetalum marchesii'' {{small|C.Ezcurra & A.González}} – Uruguay * ''Oxypetalum marginatum'' {{small|Malme}} – Brazil (Mato Grosso do Sul, São Paulo, and Paraná) and Paraguay (Sierra de Maracayú) * ''Oxypetalum marianae'' {{small|H.A.Keller & Funez}} – Brazil (Santa Catarina) * ''Oxypetalum martii'' {{small|E.Fourn.}} – Bahia * ''Oxypetalum megapotamicum'' {{small|Spreng.}} – southern Brazil, Uruguay, and northeastern Argentina * ''Oxypetalum melinioides'' {{small|Goyder}} – Minas Gerais * ''Oxypetalum microphyllum'' {{small|Hook. & Arn.}} – Mountains of Rio Jacquy in Brazil * ''Oxypetalum minarum'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum molle'' {{small|Hook. & Arn.}} – Santa Catarina * ''Oxypetalum montanum'' {{small|Mart.}} – Jiambe da Villa do Principe in Brazil * ''Oxypetalum morilloanum'' {{small|Fontella}} – Santa Catarina * ''Oxypetalum mosenii'' {{small|(Malme) Malme}} – Rio Grande do Sul * ''Oxypetalum multiflorum'' {{small|(Malme) Malme}} – Brazil (Minas Gerais) * ''Oxypetalum muticum'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum nanum'' {{small|Malme}} – Paraguay * ''Oxypetalum nigricans'' {{small|(Decne.) Liede & Meve}} – Uruguay * ''Oxypetalum nitidum'' {{small|Malme}} – São Paulo * ''Oxypetalum obtusifolium'' {{small|Malme}} – Paraná * ''Oxypetalum ophiuroideum'' {{small|Malme}} – Sierra de Maracayú in Paraguay * ''Oxypetalum ostenii'' {{small|Malme}} – Argentina * ''Oxypetalum pachyglossum'' {{small|Decne.}} – Bahia, São Paulo * ''Oxypetalum pachygynum'' {{small|Decne.}} – Minas Gerais * ''Oxypetalum pannosum'' {{small|Decne.}} – Brazil * ''Oxypetalum pardense'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum parviflorum'' {{small|(Decne.) Decne.}} – Rio Grande do Sul * ''Oxypetalum patulum'' {{small|E.Fourn.}} – Brazil * ''Oxypetalum pearsonii'' {{small|(Rusby) Goyder & Fontella}} – Rurrenabaque in Bolivia * ''Oxypetalum pentasetum'' {{small|(Rusby) Goyder & Rapini}} – Yungas in Bolivia * ''Oxypetalum pilosum'' {{small|Malme}} – Pedra Bonita in Brazil * ''Oxypetalum polyanthum'' {{small|(Hoehne) Rapini}} – Brazil * ''Oxypetalum pubescens'' {{small|(Malme) Goyder & Rapini}} – northwestern Argentina * ''Oxypetalum radinsii'' {{small|H.A.Keller}} – Argentina (Misiones) * ''Oxypetalum rariflorum'' {{small|Malme}} – Brazil (Paraná and Rio Grande do Sul) * ''Oxypetalum reflexum'' {{small|Malme}} – Sierra de Amambay in Paraguay * ''Oxypetalum regnellii'' {{small|(Malme) Malme}} – Minas Gerais * ''Oxypetalum reitzii'' {{small|Fontella and Marquete}} – Santa Catarina * ''Oxypetalum retusum'' {{small|(Markgr.) Goyder}} – Peru * ''Oxypetalum rojasianum'' {{small|Malme}} – Paraguay * ''Oxypetalum rusticum'' {{small|Rapini}} – Espinhaço Range in Minas Gerais * ''Oxypetalum schenkii'' {{small|K.Schum.}} – Brazil (Rio de Janeiro) * ''Oxypetalum schottii'' {{small|Fourn.}} – Brazil (Rio de Janeiro) * ''Oxypetalum schulzii'' {{small|Malme}} – northeastern Argentina and Uruguay * ''Oxypetalum solanoides'' {{small|Hook. & Arn.}} – Buenos Aires Province in Argentina * ''Oxypetalum stipatum'' {{small|Malme}} – Brazil * ''Oxypetalum strictum'' {{small|Mart.}} – Brazil * ''Oxypetalum subcapitatum'' {{small|Malme}} – Sierra de Maracayú in Paraguay * ''Oxypetalum subhirtellum'' {{small|Miq.}} – Brazil (Minas Gerais) * ''Oxypetalum sublanatum'' {{small|Malme}} – southeastern and southern Brazil and Argentina (Misiones) * ''Oxypetalum suboppositum'' {{small|Malme}} – Paraguay * ''Oxypetalum sylvestre'' {{small|(Hook. & Arn.) Goyder & Rapini}} – southern Brazil (Rio Grande do Sul), Paraguay, Uruguay, and northeastern Argentina * ''Oxypetalum teyucuarense'' {{small|Farinaccio & H.A.Keller}} – northeastern Argentina (Misiones) * ''Oxypetalum timbense'' {{small|H.A.Keller}} – southern Brazil (Santa Catarina) * ''Oxypetalum tomentosum'' {{small|Wight ex Hook. & Arn.}} – Maldonado in Uruguay * ''Oxypetalum tubatum'' {{small|Malme}} – Paraná * ''Oxypetalum tucumanense'' {{small|(T.Mey.) Goyder & Rapini}} – Argentina (Jujuy, Tucumán) * ''Oxypetalum urceolatum'' {{small|Farinaccio & Goyder}} – Bolivia * ''Oxypetalum venustum'' {{small|H.A.Keller}} – northeastern Argentina (Corrientes) * ''Oxypetalum warmingii'' {{small|(E.Fourn.) Fontella & Marquete}} – Brazil * ''Oxypetalum weberbaueri'' {{small|Schltr.}} – Peru * ''Oxypetalum wightianum'' {{small|Hook. & Arn.}} – Brazil }}
;formerly included<ref name=j>[http://www.theplantlist.org/tpl1.1/search?q=Oxypetalum The Plant List, genus ''Oxypetalum'']</ref> moved to other genera ''(Cynanchum, Morrenia, Philibertia, Tassadia, Tweedia)'' {{columns-list|colwidth=22em| # ''O. andinum'' now ''Tweedia andina'' # ''O. angustifolium'' now ''Tweedia birostrata'' # ''O. berteroanum'' now ''Tassadia berteroanum'' # ''O. brevipes'' now ''Tweedia birostrata'' # ''O. brunonis'' now ''Tweedia brunonis'' # ''O. echegarayi'' now ''Tweedia echegarayi'' # ''O. kingii'' now ''Tweedia echegarayi'' # ''O. niveum'' now ''Philibertia nivea'' # ''O. rusbyi'' now ''Cynanchum rusbyi'' # ''O. scalae'' now ''Morrenia scalae'' # ''O. variegatum'' now ''Morrenia variegata''}}
==References== {{Commons category}} {{Reflist}}
{{Taxonbar|from=Q148795}}
Category:Asclepiadoideae Category:Apocynaceae genera Category:Flora of Southern America Category:Plants described in 1810 Category:Taxa named by Robert Brown (botanist, born 1773)