Oxypetalum

Oxypetalum
	Oxypetalum coeruleum, flowers
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Tribe:	Asclepiadeae
Genus:	Oxypetalum; R.Br., conserved name
Synonyms
	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.^[3] The genus is native to South America.^[2]^[4]^[5]^[6]^[7]^[8]

Oxypetalum coeruleum is cultivated as an ornamental.

Species

As of November 2023^[update], Plants of the World Online accepted the following species:^[1]

Oxypetalum acerosum Malme – Paraguay
Oxypetalum aequaliflorum E.Fourn. – Brazil
Oxypetalum albicans Schltr. – Brazil
Oxypetalum alpinum (Vell.) Fontella & E.A.Schwarz – Brazil
Oxypetalum appendiculatum Mart. – Paraguay, Brazil
Oxypetalum arachnoideum E.Fourn. – Rio de Janeiro
Oxypetalum arenicola Hauman ex Lillo – Argentina
Oxypetalum argentinum Malme – Argentina
Oxypetalum arnottianum H.Buek – Brazil
Oxypetalum attenuatum (Rusby) Malme – Bolivia
Oxypetalum aurantiacum Malme ex Chodat & Hassl. – Paraguay
Oxypetalum balansae Malme – Paraguay
Oxypetalum banksii R.Br. ex Schult. – Bahia
Oxypetalum barberoanum T.Mey. – Paraguay
Oxypetalum boliviense Schltr. – Bolivia
Oxypetalum boudetii Fontella & Goes – Brazil (Espírito Santo)
Oxypetalum brachystemma Malme – Argentina, Bolivia
Oxypetalum brachystephanum (Malme) Malme – Paraguay
Oxypetalum brussae H.A.Keller & Andrés González – Uruguay
Oxypetalum capitatum Mart. – Brazil, Bolivia, Venezuela, Guyana, Suriname
Oxypetalum ceratostemma Malme – Paraguay
Oxypetalum charrua T.Mey. – Brazil, Argentina, Chile
Oxypetalum chodatianum Malme – Paraguay
Oxypetalum coalitum E.Fourn. – Brazil
Oxypetalum coccineum -Griseb. – Argentina
Oxypetalum coeruleum (D.Don ex Sweet) Decne. – Argentina
Oxypetalum commersonianum (Decne.) Fontella & E.A.Schwarz – Uruguay
Oxypetalum confusum Malme – Rio Grande do Sul
Oxypetalum cordifolium (Vent.) Schltr. – widespread from Cuba + San Luis Potosí south to Peru
Oxypetalum corymbosum (Malme) Liede & Meve – eastern Bolivia to Paraguay, northeastern Argentina (Corrientes), and eastern Brazil
Oxypetalum costae Occhioni – Rio de Janeiro
Oxypetalum crispum Wight ex Hook. & Arn. – Bolivia, S Brazil
Oxypetalum dactylostelma Goyder – Bolivia
Oxypetalum deltoideum E.Fourn. – Brazil (Rio de Janeiro)
Oxypetalum dombeyanum Decne. – Peru and Bolivia
Oxypetalum dusenii Malme – Paraná
Oxypetalum ekblomii Malme – Matto Grosso
Oxypetalum erectum Mart. – Minas Gerais
Oxypetalum erianthum Decne. – Goiás
Oxypetalum erostre E.Fourn. – Brazil
Oxypetalum fiebrigii (Malme) Goyder & Rapini – Bolivia, Argentina
Oxypetalum filamentosum Malme – Paraguay
Oxypetalum flavopurpureum Goyder & Fontella – Bolivia, Peru
Oxypetalum foliosum Mart. – São Paulo
Oxypetalum fontellae S.A.Cáceres – northern Argentina
Oxypetalum fuscum Goyder & Fontella – Bolivia
Oxypetalum glabrescens Malme – Paraguay
Oxypetalum glaziovianum Loes. – Brazil
Oxypetalum glaziovii (E.Fourn.) Fontella & Marquete – Brazil
Oxypetalum globosum C.Ezcurra & C.M.Martín – Argentina (Salta)
Oxypetalum glomeratum E.Fourn. – Brazil (Minas Gerais)
Oxypetalum gracile T.Mey. – N Argentina
Oxypetalum guaraniticum (Malme) Malme – Argentina
Oxypetalum gyrophyllum Farinaccio & Mello-Silva – Rio de Janeiro, São Paulo
Oxypetalum habrogynum Farinaccio – Parque Nacional da Serra da Canastra in Minas Gerais
Oxypetalum harleyi (Fontella & Goyder) Farin. – NE Brazil
Oxypetalum helios Farinaccio – Parque Nacional da Serra da Canastra in Minas Gerais
Oxypetalum heptalobum Goyder & Rapini – Bolivia
Oxypetalum hilarianum E.Fourn. – Rio Grande do Sul in Brazil, Misiones in Argentina
Oxypetalum hoehnei Malme – Paraná
Oxypetalum humile (Morong) Hassl. – Paraguay
Oxypetalum incanum E.Fourn. – São Paulo
Oxypetalum insigne (Decne.) Malme – São Paulo
Oxypetalum jacobinae Decne. – Bahia
Oxypetalum joergensenii T.Mey – Argentina
Oxypetalum kassneri H.A.Keller & Funez – Brazil (Santa Catarina)
Oxypetalum kleinii Fontella & Marquete – Santa Catarina
Oxypetalum kuhlmannianum Occhioni – Minas Gerais
Oxypetalum laciniatum Rapini & Farinaccio – Brazil (Bahia)
Oxypetalum lanatum Decne. ex E.Fourn. – Serra dos Órgãos in Rio de Janeiro
Oxypetalum leonii Malme – Minas Gerais
Oxypetalum lineare Decne. – São Paulo
Oxypetalum lividum Farinaccio – Peru
Oxypetalum longipedunculatum (Malme) Goyder & Rapini – northwestern Argentina
Oxypetalum lutescens E.Fourn. – Rio de Janeiro
Oxypetalum lynchianum T.Mey. – Chaco in Argentina
Oxypetalum macrolepis (Hook. & Arn.) Decne. – southern Brazil, Paraguay, Uruguay, and northeastern Argentina
Oxypetalum malmei Hoehne – Paraná
Oxypetalum marambaiense Occhioni – Brazil (Rio de Janeiro)
Oxypetalum marchesii C.Ezcurra & A.González – Uruguay
Oxypetalum marginatum Malme – Brazil (Mato Grosso do Sul, São Paulo, and Paraná) and Paraguay (Sierra de Maracayú)
Oxypetalum marianae H.A.Keller & Funez – Brazil (Santa Catarina)
Oxypetalum martii E.Fourn. – Bahia
Oxypetalum megapotamicum Spreng. – southern Brazil, Uruguay, and northeastern Argentina
Oxypetalum melinioides Goyder – Minas Gerais
Oxypetalum microphyllum Hook. & Arn. – Mountains of Rio Jacquy in Brazil
Oxypetalum minarum E.Fourn. – Brazil
Oxypetalum molle Hook. & Arn. – Santa Catarina
Oxypetalum montanum Mart. – Jiambe da Villa do Principe in Brazil
Oxypetalum morilloanum Fontella – Santa Catarina
Oxypetalum mosenii (Malme) Malme – Rio Grande do Sul
Oxypetalum multiflorum (Malme) Malme – Brazil (Minas Gerais)
Oxypetalum muticum E.Fourn. – Brazil
Oxypetalum nanum Malme – Paraguay
Oxypetalum nigricans (Decne.) Liede & Meve – Uruguay
Oxypetalum nitidum Malme – São Paulo
Oxypetalum obtusifolium Malme – Paraná
Oxypetalum ophiuroideum Malme – Sierra de Maracayú in Paraguay
Oxypetalum ostenii Malme – Argentina
Oxypetalum pachyglossum Decne. – Bahia, São Paulo
Oxypetalum pachygynum Decne. – Minas Gerais
Oxypetalum pannosum Decne. – Brazil
Oxypetalum pardense E.Fourn. – Brazil
Oxypetalum parviflorum (Decne.) Decne. – Rio Grande do Sul
Oxypetalum patulum E.Fourn. – Brazil
Oxypetalum pearsonii (Rusby) Goyder & Fontella – Rurrenabaque in Bolivia
Oxypetalum pentasetum (Rusby) Goyder & Rapini – Yungas in Bolivia
Oxypetalum pilosum Malme – Pedra Bonita in Brazil
Oxypetalum polyanthum (Hoehne) Rapini – Brazil
Oxypetalum pubescens (Malme) Goyder & Rapini – northwestern Argentina
Oxypetalum radinsii H.A.Keller – Argentina (Misiones)
Oxypetalum rariflorum Malme – Brazil (Paraná and Rio Grande do Sul)
Oxypetalum reflexum Malme – Sierra de Amambay in Paraguay
Oxypetalum regnellii (Malme) Malme – Minas Gerais
Oxypetalum reitzii Fontella and Marquete – Santa Catarina
Oxypetalum retusum (Markgr.) Goyder – Peru
Oxypetalum rojasianum Malme – Paraguay
Oxypetalum rusticum Rapini – Espinhaço Range in Minas Gerais
Oxypetalum schenkii K.Schum. – Brazil (Rio de Janeiro)
Oxypetalum schottii Fourn. – Brazil (Rio de Janeiro)
Oxypetalum schulzii Malme – northeastern Argentina and Uruguay
Oxypetalum solanoides Hook. & Arn. – Buenos Aires Province in Argentina
Oxypetalum stipatum Malme – Brazil
Oxypetalum strictum Mart. – Brazil
Oxypetalum subcapitatum Malme – Sierra de Maracayú in Paraguay
Oxypetalum subhirtellum Miq. – Brazil (Minas Gerais)
Oxypetalum sublanatum Malme – southeastern and southern Brazil and Argentina (Misiones)
Oxypetalum suboppositum Malme – Paraguay
Oxypetalum sylvestre (Hook. & Arn.) Goyder & Rapini – southern Brazil (Rio Grande do Sul), Paraguay, Uruguay, and northeastern Argentina
Oxypetalum teyucuarense Farinaccio & H.A.Keller – northeastern Argentina (Misiones)
Oxypetalum timbense H.A.Keller – southern Brazil (Santa Catarina)
Oxypetalum tomentosum Wight ex Hook. & Arn. – Maldonado in Uruguay
Oxypetalum tubatum Malme – Paraná
Oxypetalum tucumanense (T.Mey.) Goyder & Rapini – Argentina (Jujuy, Tucumán)
Oxypetalum urceolatum Farinaccio & Goyder – Bolivia
Oxypetalum venustum H.A.Keller – northeastern Argentina (Corrientes)
Oxypetalum warmingii (E.Fourn.) Fontella & Marquete – Brazil
Oxypetalum weberbaueri Schltr. – Peru
Oxypetalum wightianum Hook. & Arn. – Brazil

formerly included^[9]

moved to other genera (Cynanchum, Morrenia, Philibertia, Tassadia, Tweedia)

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

^ ^a ^b "Oxypetalum R.Br." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-11-28.
^ ^a ^b Tropicos, genus Oxypetalum
^ Brown, Robert. 1810. On the Asclepiadeae 30.
^ Liede-Schumann, Sigrid; Meve, Ulrich (2006). "The Genera of Asclepiadoideae, Secamonoideae and Periplocoideae (Apocynaceae)". Retrieved 19 November 2013.
^ Forzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010 Archived 2015-09-06 at the Wayback Machine. Jardim Botânico do Rio de Janeiro, Rio de Janeiro
^ 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.
^ 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
^ 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
^ The Plant List, genus Oxypetalum

[POWO_331823-2-1] "Oxypetalum R.Br." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-11-28.

[q-2] Tropicos, genus Oxypetalum

[3] Brown, Robert. 1810. On the Asclepiadeae 30.

[LSM-4] Liede-Schumann, Sigrid; Meve, Ulrich (2006). "The Genera of Asclepiadoideae, Secamonoideae and Periplocoideae (Apocynaceae)". Retrieved 19 November 2013.

[5] Forzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010 Archived 2015-09-06 at the Wayback Machine. Jardim Botânico do Rio de Janeiro, Rio de Janeiro

[6] 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.

[7] 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

[8] 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

[j-9] The Plant List, genus Oxypetalum

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]