Oxypetalum timbense H.A.Keller species accepted

Oxypetalum gracile (Malme) species accepted

Oxypetalum laciniatum Rapini & Farinaccio species accepted

Oxypetalum albiflorum Decne. species heterotypic synonym

Oxypetalum tucumanense (T.Mey.) Goyder & Rapini species accepted

Cynanchum reflexum Vahl ex Decne. species synonym

Oxypetalum arnottianum H.Buek species synonym

Oxypetalum teyucuarense Farinaccio & Keller species accepted

Melinia corymbosa (Malme) Fontella & Farinaccio species synonym

Melinia glaziovii E.Fourn. species synonym

Oxypetalum clavatum Malme species synonym

Oxypetalum hederaefolium Arechav. species doubtful

Oxypetalum aurantiacum Malme ex Chodat & Hassl. species accepted

Corollonema boliviense Schltr. species synonym

Rojasia gracilis (Rusby) Malme species synonym

Oxypetalum corymbosum (Malme) Liede & Meve species accepted

Oxypetalum insigne (Decne.) T.Mey. species synonym

Apocynum umbellatum Salzm. ex Decne. species heterotypic synonym

Oxypetalum fiebrigii (Malme) Goyder & Rapini species accepted

Oxypetalum cipoensis Silveira species synonym

Oxypetalum crispum Wight species homotypic synonym

Calostigma insigne Decne. species synonym

Oxypetalum nigricans (Decne.) Liede & Meve species accepted

Melinia urbaniana K.Schum. species synonym

Oxypetalum baetaeanum (Silveira) T.Mey. species synonym

Oxypetalum heptalobum Goyder & Rapini species accepted

Oxypetalum pubescens (Malme) Goyder & Rapini species accepted

Oxypetalum sylvestre (Hook. & Arn.) Goyder & Rapini species accepted

Calostigma brandonianum Silveira species doubtful

Oxypetalum glaziovianum Loes. species accepted

Oxypetalum curtiflorum var. indutum Malme variety synonym

Oxypetalum longipedunculatum (Malme) Goyder & Rapini species accepted

Melinia iberae J.L.Fontana species synonym

Calostigma linearilobum Schltr. species doubtful

Calostigma mosenii Malme species synonym

Oxypetalum pentasetum (Rusby) Goyder & Rapini species accepted

Calostigma guaraniticum Malme species synonym

Oxypetalum pauciflorum Ochhioni species synonym

Oxypetalum karstenianum Goyder & Rapini species accepted

Oxypetalum radinsii H.A.Keller species accepted

Oxypetalum morilloanum Fontella species accepted

Oxypetalum insigne var. burchellii (E.Fourn.) Fontella variety synonym

Oxypetalum leonii Fontella species accepted

Oxypetalum urceolatum Farinaccio & Goyder species accepted

Oxypetalum globosum C.Ezcurra & C.M.Martín species accepted

Oxypetalum marianae H.A.Keller & Funez species accepted

Oxypetalum marchesii C.Ezcurra & A.González species accepted

Oxypetalum mourae Hoehne species synonym

Oxypetalum glaziouvii (E.Fourn.) Fontella & Marquete species accepted

Oxypetalum caeruleum (D.Don ex Sweet) Decne. species accepted

Oxypetalum glaziouvianum Loes. species accepted

Tweedia caerulea D.Don species homotypic synonym

Tweedia caerulea D.Don ex Sweet species synonym

Asclepias alpina E.Fourn. species synonym

Schistogyne sylvestris Decne. species heterotypic synonym

Calostigma dusenii Hoehne species synonym

Gothofreda aequalifora (E.Fourn.) Kuntze species synonym

Apocynum umbellatum Salzm. species homotypic synonym

Cynanchum reflexum Vahl species homotypic synonym

Oxypetalum spegazzinii Hauman species homotypic synonym

Cynanchum luteolum Vahl species homotypic synonym

Oxypetalum arenicola Hauman species homotypic synonym

Cynanchum nigricans Vahl species homotypic synonym

Oxypetalum lanatum Decne. ex E.Fourn. species accepted

Gothofreda gracilis Morong species synonym

Oxypetalum apoloense (Rusby) Dorr species synonym

Calostigma regnelii Malme species synonym

Oxypetalum parviflorum (Decne.) Decne. species accepted

Asclepias pulchra Vell. species synonym

Melinia commersoniana Decne. species synonym

Gothofreda deltoidea (E.Fourn.) Kuntze species synonym

Melinia hilariana E.Fourn. species synonym

Calostigma peruvianum Markgr. species synonym

Calostigma multiflorum Malme species synonym

Calostigma burchellii E.Fourn. species synonym

Calostigma baetaeanum Silveira species synonym

Oxypetalum selloanum E.Fourn. species synonym

Melinia atropurpurea Malme species synonym

Oxypetalum paraguayense Schltr. species heterotypic synonym

Oxypetalum lividum Farinaccio species accepted

Tweedia coerulea D.Don species synonym

Oxypetalum capitatum Mart. species accepted

Oxypetalum suaveolens E.Fourn. species heterotypic synonym

Oxypetalum baetaeanum (Silveira) Malme species synonym

Calostigma guilleminianum Decne. species synonym

Oxypetalum peruvianum (Markgr.) species accepted

Oxypetalum insigne var. baetaeanum (Silveira) Fontella & E.A.Schwarz variety synonym

Oxypetalum parviflorum Kuntze, 1891 species doubtful

Oxypetalum pannosum Decne. species accepted

Oxypetalum macrolepis (Hook. & Arn.) Decne. species accepted

Oxypetalum macrolepis var. macrolepis variety synonym

Oxypetalum insigne (Decne.) Malme species accepted

Oxypetalum erianthum Decne. species accepted

Oxypetalum erectum Mart. species accepted

Oxypetalum capitatum Hook. & Arn. species heterotypic synonym

Oxypetalum banksii Schult. species accepted

Oxypetalum arnottianum H.Buek ex E.Fourn. species accepted

Oxypetalum alpinum (Vell.) Fontella & E.A.Schwarz species accepted

Schistogyne sylvestris Hook. & Arn. species heterotypic synonym

Schistogyne mandonii Malme species synonym

Oxypetalum tomentosum Wight ex Hook. & Arn. species accepted

Oxypetalum strictum Mart. species accepted

Gothofreda solanoides (Hook. & Arn.) Kuntze species synonym

Oxypetalum regnellii (Malme) Malme species accepted

Gothofreda oblongifolia Morong species synonym

Oxypetalum cordifolium (Vent.) Schltr. species accepted

Oxypetalum regnellii (Malme) T.Mey. species synonym

Oxypetalum reflexum Malme species accepted

Oxypetalum rariflorum Malme species accepted

Oxypetalum pulchrum Decne. species doubtful

Oxypetalum propinquum Decne. species synonym

Oxypetalum pratense Griseb. species synonym

Oxypetalum polyanthum (Hoehne) Rapini species accepted

Oxypetalum pilosum Gardner species accepted

Oxypetalum pearsonii (Rusby) Goyder & Fontella species accepted

Oxypetalum pauperculum E.Fourn. species synonym

Oxypetalum pauciflorum Occhioni species synonym

Oxypetalum patulum E.Fourn. species accepted

Oxypetalum pardense E.Fourn. species accepted

Oxypetalum paranense Malme species synonym

Oxypetalum paraguayense Chodat species heterotypic synonym

Oxypetalum pannosum var. pauciflorum E.Fourn. variety synonym

Oxypetalum paludosum Decne. species synonym

Oxypetalum pachygynum Decne. species accepted

Oxypetalum pachyglossum Decne. species accepted

Oxypetalum ostenii Malme species accepted

Oxypetalum ophiuroideum Malme species accepted

Oxypetalum oliganthum Malme species synonym

Oxypetalum obtusifolium Malme species accepted

Oxypetalum oblongifolium (Morong) Lillo species synonym

Oxypetalum oblanceolatum Farinaccio & Mello-Silva species synonym

Oxypetalum nitidum Malme species accepted

Oxypetalum nigrescens E.Fourn. species synonym

Oxypetalum muticum E.Fourn. species accepted

Oxypetalum multiflorum (Malme) Malme species accepted

Oxypetalum multicaule E.Fourn. species synonym

Oxypetalum mucronatum E.Fourn. species synonym

Oxypetalum mourai Hoehne species synonym

Oxypetalum mosenii Malme species accepted

Oxypetalum montanum Mart. species accepted

Oxypetalum monanthum (Vell.) Decne. species synonym

Oxypetalum molleri Phil., 1895 species accepted

Oxypetalum molle Hook. & Arn. species accepted

Oxypetalum moelleri Phil. species doubtful

Oxypetalum minarum E.Fourn. species accepted

Oxypetalum microstemma E.Fourn. species synonym

Oxypetalum microphyllum Hook. & Arn. species accepted

Oxypetalum melinioides Goyder species accepted

Oxypetalum megapotamicum Spreng. species accepted

Oxypetalum martii E.Fourn. species accepted

Oxypetalum maritimum Hook. & Arn. species synonym

Oxypetalum marginatum Malme species accepted

Oxypetalum marambaiense Occhioni species accepted

Oxypetalum malmei Hoehne species accepted

Oxypetalum macrolepis var. pilosum Malme variety synonym

Oxypetalum lynchianum T.Mey. species accepted

Oxypetalum lutescens E.Fourn. species accepted

Oxypetalum luschnathii E.Fourn. species synonym

Oxypetalum lineare Decne. species accepted

Oxypetalum ligulatum E.Fourn. species synonym

Oxypetalum laxum Malme species synonym

Oxypetalum lanatum Decne. species homotypic synonym

Oxypetalum lagoense E.Fourn. species synonym

Oxypetalum kuntzei Schltr. species synonym

Oxypetalum kuhlmannianum Occhioni species accepted

Oxypetalum kleinii Fontella & Marquete species accepted

Oxypetalum joergensenii T.Mey. species accepted

Oxypetalum jacobinae Decne. species accepted

Oxypetalum intermedium Schltdl. ex Hassl. species doubtful

Oxypetalum integrilobum E.Fourn. species synonym

Oxypetalum integrifolium E.Fourn. species synonym

Oxypetalum insigne var. nitidum (Malme) Fontella & E.A.Schwarz variety synonym

Oxypetalum insigne var. boraceiense Fontella & E.A.Schwarz variety synonym

Oxypetalum insigne f. baetaeanum (Silveira) Fontella & E.A.Schwarz form synonym

Oxypetalum incanum E.Fourn. species accepted

Oxypetalum humile (Morong) Hassl. species accepted

Oxypetalum hoehnei Malme species accepted

Oxypetalum hirsutum Silveira species synonym

Oxypetalum hirsutulum K.Schum. species synonym

Oxypetalum hilarianum E.Fourn. species accepted

Oxypetalum henschenii Malme species synonym

Oxypetalum helios Farinaccio species accepted

Oxypetalum hederifolium Arechav. species doubtful

Oxypetalum harleyi (Fontella & Goyder) Farin. species accepted

Oxypetalum habrogynum Farinaccio species accepted

Oxypetalum gyrophyllum Farinaccio & Mello-Silva species accepted

Oxypetalum guraniticum Malme species synonym

Oxypetalum guilleminianum Decne. species synonym

Oxypetalum guaraniticum (Malme) Malme species accepted

Oxypetalum grandiflorum E.Fourn. species synonym

Oxypetalum glomeratum E.Fourn. species accepted

Oxypetalum glaziovii (E.Fourn.) Fontella & Marquete species accepted

Oxypetalum glaziovianum Loes. ex Glaz., 1910 species doubtful

Oxypetalum glabrescens Malme species accepted

Oxypetalum fuscum Goyder & Fontella species accepted

Oxypetalum fontellae S.A.Cáceres species accepted

Oxypetalum foliosum Mart. species accepted

Oxypetalum flavopurpureum Goyder & Fontella species accepted

Oxypetalum filamentosum Malme species accepted

Oxypetalum erostre E.Fourn. species accepted

Oxypetalum erianthum var. longipedunculata Silveira variety synonym

Oxypetalum erectum var. genuinum E.Fourn. variety synonym

Oxypetalum erectum f. genuinum Hoehne form synonym

Dactylostelma boliviense Schltr. species synonym

Widgrenia corymbosa Malme species synonym

Cystostemma glandulosum Silveira species synonym

Oxypetalum ekblomii Malme species accepted

Oxypetalum dusenii Malme species accepted

Oxypetalum dombeyanum Decne. species accepted

Oxypetalum dentatum E.Fourn. species synonym

Oxypetalum densiflorum Decne. species synonym

Oxypetalum deltoideum E.Fourn. species accepted

Oxypetalum decaisneanum T.Mey. species synonym

Oxypetalum dactylostelma Goyder species accepted

Oxypetalum curtiflorum Malme species synonym

Oxypetalum crispum Wight ex Hook. species accepted

Oxypetalum costae Occhioni species accepted

Oxypetalum corymbiferum E.Fourn. species synonym

Oxypetalum coriaceum Decne. species synonym

Rhyssostelma nigricans Decne. species synonym

Oxypetalum cordifolium subsp. harleyi Fontella & Goyder subspecies synonym

Oxypetalum confusum Malme species accepted

Oxypetalum commersonianum (Decne.) Fontella & E.A.Schwarz species accepted

Oxypetalum coeruleum (D.Don ex Sweet) Decne. species accepted

Oxypetalum coccineum Griseb. species accepted

Oxypetalum coalitum E.Fourn. species accepted

Oxypetalum clavatum Arechav. species doubtful

Oxypetalum cipoense Silveira species synonym

Oxypetalum chodatianum Malme species accepted

Oxypetalum charrua T.Mey. species accepted

Oxypetalum ceratostemma Malme species accepted

Oxypetalum campanulatum Hand.-Mazz. species synonym

Oxypetalum burchellii (E.Fourn.) Malme species accepted

Oxypetalum brachystephanum (Malme) Malme species accepted

Oxypetalum brachystemma Malme species accepted

Oxypetalum boudetii Fontella & Goes species accepted

Oxypetalum boliviense Schltr. species synonym

Oxypetalum bello-horizontinum Silveira species synonym

Oxypetalum barberoanum T.Mey. species accepted

Oxypetalum banksii subsp. corymbiferum (E.Fourn.) Fontella & C.Valente subspecies synonym

Oxypetalum balansae Malme species accepted

Oxypetalum aureum Chodat species synonym

Oxypetalum aurantiacum Malme & Malme species doubtful

Oxypetalum attenuatum (Rusby) Malme species accepted

Oxypetalum atropurpureum (Malme) T.Mey. species synonym

Oxypetalum arnottianum var. brachystephanum Malme variety synonym

Oxypetalum argentinum Malme species accepted

Oxypetalum arenicola Hauman ex Lillo species accepted

Oxypetalum arachnoideum E.Fourn. species accepted

Oxypetalum arachnanthum Arechav. species synonym

Oxypetalum appendiculatum Mart. species accepted

Oxypetalum apoloensis (Rusby) Dorr species synonym

Oxypetalum albiflorum Schltr. species heterotypic synonym

Oxypetalum albicans Schltr. species accepted

Oxypetalum aequaliflorum E.Fourn. species accepted

Oxypetalum acerosum Malme species accepted

Asclepias pilosa Vell. species synonym

Asclepias monantha Vell. species synonym

Cynanchum nigricans Vahl ex Decne. species synonym

Cynanchum luteolum Vahl ex Decne. species synonym

Gothofreda wightiana (Hook. & Arn.) Kuntze species synonym

Gothofreda villosa (E.Fourn.) Kuntze species synonym

Gothofreda ultima Kuntze species synonym

Gothofreda tomentosa (Hook. & Arn.) Kuntze species synonym

Gothofreda subhirtella (Miq.) Kuntze species synonym

Gothofreda suaveolens (E.Fourn.) Kuntze species synonym

Gothofreda stricta (Mart.) Kuntze species synonym

Gothofreda squamulata (E.Fourn.) Kuntze species synonym

Gothofreda solanodes (Hook. & Arn.) Kuntze species synonym

Gothofreda siliculae (E.Fourn.) Kuntze species synonym

Gothofreda selloana (E.Fourn.) Kuntze species synonym

Gothofreda schottii (E.Fourn.) Kuntze species synonym

Gothofreda pulcra (Vell.) Kuntze species doubtful

Gothofreda pulchra (Decne.) Kuntze species synonym

Gothofreda propinqua (Decne.) Kuntze species synonym

Gothofreda pearsonii Rusby species synonym

Gothofreda paupercula (E.Fourn.) Kuntze species synonym

Gothofreda patula (E.Fourn.) Kuntze species synonym

Gothofreda parviflora (Decne.) Kuntze species synonym

Gothofreda pardensis (E.Fourn.) Kuntze species synonym

Gothofreda paraguayensis (Schltr.) Kuntze species synonym

Gothofreda pannosa (Decne.) Kuntze species synonym

Gothofreda paludosa (Decne.) Kuntze species synonym

Gothofreda pachygyna (Decne.) Kuntze species synonym

Gothofreda pachyglossa Kuntze species synonym

Gothofreda oblongifolia Rusby species synonym

Gothofreda nigrescens (E.Fourn.) Kuntze species synonym

Asclepias communis Vell. species synonym

Gothofreda mutica (E.Fourn.) Kuntze species synonym

Gothofreda mucronata (E.Fourn.) Kuntze species synonym

Gothofreda montana (Mart.) Kuntze species synonym

Gothofreda monantha (Vell.) Kuntze species synonym

Gothofreda mollis (Hook. & Arn.) Kuntze species synonym

Gothofreda minarum (E.Fourn.) Kuntze species synonym

Gothofreda microstemma (E.Fourn.) Kuntze species synonym

Gothofreda microphylla (Hook. & Arn.) Kuntze species synonym

Gothofreda martii (E.Fourn.) Kuntze species synonym

Gothofreda maritima (Hook. & Arn.) Kuntze species synonym

Gothofreda macrolepis (Hook. & Arn.) Kuntze species synonym

Gothofreda lutescens (E.Fourn.) Kuntze species synonym

Gothofreda luschnathii (E.Fourn.) Kuntze species synonym

Gothofreda linearis (Decne.) Kuntze species synonym

Gothofreda ligulata (E.Fourn.) Kuntze species synonym

Gothofreda lanata (Decne.) Kuntze species synonym

Gothofreda lagoensis (E.Fourn.) Kuntze species synonym

Gothofreda kuntzei (Schltr.) Kuntze species synonym

Gothofreda jacobinae (Decne.) Kuntze species synonym

Gothofreda integriloba (E.Fourn.) Kuntze species synonym

Gothofreda incana (E.Fourn.) Kuntze species synonym

Gothofreda hilariana (E.Fourn.) Kuntze species synonym

Gothofreda guilleminiana (Decne.) Kuntze species synonym

Gothofreda grandiflora (E.Fourn.) Kuntze species synonym

Gothofreda gracilis Rusby species synonym

Gothofreda glomerata (E.Fourn.) Kuntze species synonym

Gothofreda foliosa (Mart.) Kuntze species synonym

Gothofreda erostris (E.Fourn.) Kuntze species synonym

Gothofreda eriantha (Decne.) Kuntze species synonym

Gothofreda dombeyana (Decne.) Kuntze species synonym

Gothofreda dentata (E.Fourn.) Kuntze species synonym

Macroscepis retusa Markgr. species synonym

Gothofreda densiflora (Decne.) Kuntze species synonym

Gothofreda crispa (Wight ex Hook. & Arn.) Kuntze species synonym

Gothofreda corymbifera (E.Fourn.) Kuntze species synonym

Gothofreda coriacea (Decne.) Kuntze species synonym

Gothofreda coerulea (D.Don ex Sweet) Kuntze species synonym

Gothofreda coccinea Kuntze species synonym

Gothofreda coalita (E.Fourn.) Kuntze species synonym

Bustelma warmingii E.Fourn. species synonym

Bustelina warmingii E.Fourn. species synonym

Gothofreda banksii (R.Br. ex Schult.) Kuntze species synonym

Gothofreda arnottiana (H.Buek) Kuntze species synonym

Gothofreda appendiculata (Mart.) Kuntze species synonym

Gothofreda apoloensis Rusby species synonym

Gothofreda albiflora (Decne.) Kuntze species synonym

Gothofreda aequaliflora (E.Fourn.) Kuntze species synonym

Asclepias alpina Vell. species synonym

Ditassa oxypetala Decne. species synonym

Schizostemma solanoides (Hook. & Arn.) Decne. species synonym

Schizostemma parviflorum Decne. species synonym

Schizostemma microphyllum (Hook. & Arn.) Decne. species synonym

Schizostemma longifolium Decne. species synonym

Ditassa megapotamica (Spreng.) Malme species synonym

Tweedia versicolor Hook. species synonym

Ditassa humilis Morong species synonym

Tweedia solanoides (Hook. & Arn.) Chitt. species synonym

Tweedia rosea Lem. species synonym

Tweedia pubescens Lem. species synonym

Tweedia macrolepis Hook. & Arn. species synonym

Tweedia floribunda Lem. species synonym

Tweedia coerulea D.Don ex Sweet species synonym

Oxypetalum tridens Malme species synonym

Oxypetalum tubatum Malme species accepted

Ditassa campestris Griseb. species synonym

Schistogyne tucumanensis T.Mey. species synonym

Schistogyne sylvestris var. chacoensis Malme variety synonym

Schistogyne pubescens Malme species synonym

Schistogyne pentaseta Rusby species synonym

Schistogyne oxypetaloides Schltr. species synonym

Schistogyne multiflora (Malme) T.Mey. species synonym

Schistogyne mosenii (Malme) T.Mey. species synonym

Schistogyne mandonii var. peruviana Malme variety synonym

Schistogyne longipedunculata Malme species synonym

Schistogyne fiebrigii Malme species synonym

Schistogyne decaisneana H.Karst. species synonym

Schistogyne boliviensis Schltr. species synonym

Schistogyne berroi Arechav. species synonym

Schistogyne attenuata Rusby species synonym

Oxypetalum wightianum Hook. & Arn. species accepted

Oxypetalum weberbaueri Schltr. species accepted

Oxypetalum warmingii (E.Fourn.) Fontella & Marquete species accepted

Oxypetalum villosum E.Fourn. species doubtful

Oxypetalum vestitum Malme species synonym

Oxypetalum uruguayense Arechav. species synonym

Oxypetalum urbanianum Silveira species synonym

Amblyopetalum coeruleum (D.Don ex Sweet) Malme species synonym

Amblyopetalum coccineum (Griseb.) Malme species synonym

Oxypetalum tricarunculatum Silveira species synonym

Oxypetalum tenuiflorum Griseb. species synonym

Oxypetalum suboppositum Malme species accepted

Oxypetalum sublanatum Malme species accepted

Oxypetalum subhirtellum Miq. species accepted

Oxypetalum subcapitatum Malme species synonym

Oxypetalum suaveolens Speg. species heterotypic synonym

Oxypetalum strictum subsp. polyanthum Hoehne subspecies synonym

Oxypetalum stipatum Malme species accepted

Oxypetalum stenophyllum Malme species synonym

Oxypetalum squamulatum E.Fourn. species synonym

Oxypetalum spegazzinii Hauman ex Lillo species synonym

Oxypetalum solanoides Hook. & Arn. species accepted

Oxypetalum sobralii Occhioni species synonym

Oxypetalum siliculae E.Fourn. species synonym

Oxypetalum schulzii Malme species accepted

Oxypetalum schottii E.Fourn. species accepted

Oxypetalum schlechteri Malme species synonym

Oxypetalum schenckii K.Schum. species accepted

Oxypetalum rusticum Rapini species accepted

Oxypetalum rojasianum Malme species accepted

Oxypetalum retusum (Markgr.) Goyder species accepted

Oxypetalum reitzii Fontella & Marquete species accepted

Metoxypetalum vogelii Morillo species synonym

Metoxypetalum retusum (Markgr.) Morillo species synonym

Amblyopetalum caeruleum (D.Don) Malme species synonym

Gothofreda caerulea (D.Don ex Sweet) Kuntze species synonym

Calostigma glaziouvii E.Fourn. species synonym

Melinia glaziouvii E.Fourn. species synonym

Oxypetalum kassneri H.A.Keller & Funez species accepted

Oxypetalum venustum H.A.Keller species accepted

Oxypetalum brussae H.A.Keller & Andrés González species accepted

Oxypetalum intermedium Schltdl. species homotypic synonym

Oxypetalum tomentosum Wight species synonym

Gothofreda arachnoidea (E.Fourn.) Kuntze species synonym