| Stapelia acuminata Masson | Accepted |  | TRO |  | 
	
		| Stapelia acuminata var. brevicuspis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia adscendens Roxb. | Synonym |  | TRO |  | 
	
		| Stapelia affinis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia albicans Sprenger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia albipilosa Giess | Synonym |  | TRO |  | 
	
		| Stapelia albocastanea Marloth | Synonym |  | TRO |  | 
	
		| Stapelia ambigua Masson | Synonym |  | TRO |  | 
	
		| Stapelia ambigua var. fulva Sweet | Synonym |  | TRO |  | 
	
		| Stapelia × amoena Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia anemoniflora Deflers | Synonym |  | TRO |  | 
	
		| Stapelia ango A. Rich. | Synonym |  | TRO |  | 
	
		| Stapelia anguinea Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia angulata Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × angulosa Tod. ex Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia anonymos Poir. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia aperta Masson | Synonym |  | TRO |  | 
	
		| Stapelia arenosa C.A. Lückh. | Accepted |  | TRO |  | 
	
		| Stapelia arida Masson | Synonym |  | TRO |  | 
	
		| Stapelia arnotii N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia articulata Aiton | Synonym |  | TRO |  | 
	
		| Stapelia asterias Masson | Accepted |  | TRO |  | 
	
		| Stapelia asterias var. gibba N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia asterias var. lucida N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia atrata Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia atropurpurea Salm-Dyck | Synonym |  | TRO |  | 
	
		| Stapelia atrosanguinea N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia auobensis Nel | Synonym |  | TRO |  | 
	
		| Stapelia aurea Dinter | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia ausana Dinter & A. Berger ex Dinter | Synonym |  | TRO |  | 
	
		| Stapelia barbata Masson | Synonym |  | TRO |  | 
	
		| Stapelia barklyi N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia bayfieldii N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia baylisii L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia beffoniana Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bella A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bergeriana Dinter | Synonym |  | TRO |  | 
	
		| Stapelia beukmanii C.A.Lückh. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bidentata Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bifolia Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bijliae Pillans | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bisulca (Haw.) Donn ex Schult. in Roem. & Schult. | Synonym |  | TRO |  | 
	
		| Stapelia brevirostris Willd. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia bufonia Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia bufonis Sims | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × burtinii Tod. ex Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia cactiformis Hook. | Synonym |  | TRO |  | 
	
		| Stapelia caespitosa Masson | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia callamulia Buch.-Ham. ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia campanulata Masson | Synonym |  | TRO |  | 
	
		| Stapelia canescens Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × cantabrigensis A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × capelleana Rüst ex A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia carolischmidtii Dinter & A. Berger | Unresolved |  | TRO |  | 
	
		| Stapelia caudata Thunb. | Synonym |  | TRO |  | 
	
		| Stapelia cedrimontana Frandsen | Accepted |  | TRO |  | 
	
		| Stapelia chinensis Lour. | Synonym |  | TRO |  | 
	
		| Stapelia × chlorotica Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia choanantha Lavranos & Harry Hall | Synonym |  | TRO |  | 
	
		| Stapelia chrysostephana Deflers | Synonym |  | TRO |  | 
	
		| Stapelia ciliata Thunb. | Synonym |  | TRO |  | 
	
		| Stapelia ciliolata Tod. | Unresolved |  | TRO |  | 
	
		| Stapelia cincta Marloth | Synonym |  | TRO |  | 
	
		| Stapelia clavata Willd. | Synonym |  | TRO |  | 
	
		| Stapelia clavicorona Verd. | Accepted |  | TRO |  | 
	
		| Stapelia clavigera Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia clorderoyi Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia clypeata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia cochinchinensis Lour. | Synonym |  | TRO |  | 
	
		| Stapelia comata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia compacta (Haw.) Schult. | Synonym |  | TRO |  | 
	
		| Stapelia × comparabilis A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia comparabilis A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia concinna Masson | Accepted |  | TRO |  | 
	
		| Stapelia concinna var. paniculata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia concolor Salm-Dyck | Synonym |  | TRO |  | 
	
		| Stapelia conformis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia conformis var. abrasa N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia conformis var. conformis | Synonym |  | TRO |  | 
	
		| Stapelia congestiflora Delile | Accepted |  | TRO |  | 
	
		| Stapelia conspurcata Willd. | Synonym |  | TRO |  | 
	
		| Stapelia cooperi N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia cordata Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia corderoyi Hook. f. | Synonym |  | TRO |  | 
	
		| Stapelia courcelli hort. ex N. E. Brown | Unresolved |  | TRO |  | 
	
		| Stapelia crassa Donn | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia crispa Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia cupularis N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia curtisii (Haw.) Schult. | Synonym |  | TRO |  | 
	
		| Stapelia cyclista C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia cylindrica Horkel ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia cymosa Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia decaisneana (Lem.) A.Chev. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia × decora Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia decora Masson | Synonym |  | TRO |  | 
	
		| Stapelia deflexa hort. ex Haw. | Accepted |  | TRO |  | 
	
		| Stapelia deflexa Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia deflexa var. atropurpurea A. Berger | Synonym |  | TRO |  | 
	
		| Stapelia dejecta Salm-Dyck | Synonym |  | TRO |  | 
	
		| Stapelia dentata Forssk. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × depilata Rüst ex A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia depressa Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia desmetiana N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia desmetiana var. apicalis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia desmetiana var. fergusoniae R.A. Dyer | Synonym |  | TRO |  | 
	
		| Stapelia desmetiana var. pallida N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia desmidorchis Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia dinteri Berger | Synonym |  | TRO |  | 
	
		| Stapelia dinteri var. capensis C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia dinteri var. pseudocapensis C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia discoidea Oberm. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia discolor Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia divaricata Masson | Accepted |  | TRO |  | 
	
		| Stapelia divergens N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia dummeri N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia duodecimfida Jacq. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia dwequensis C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia elegans Masson | Synonym |  | TRO |  | 
	
		| Stapelia elongata Sweet | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia emarginata Breiter | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia engleriana Schltr. | Accepted |  | TRO |  | 
	
		| Stapelia erecta Sessé & Moc. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × erecta Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia erectiflora N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia erectiflora var. erectiflora | Synonym |  | TRO |  | 
	
		| Stapelia erivacaria Roxb. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia eruciformis N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia europaea Guss. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia fasciculata Thunb. | Accepted |  | TRO |  | 
	
		| Stapelia fissirostris Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia flavicomata Haw. | Accepted |  | TRO |  | 
	
		| Stapelia flavirostris N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia flavopurpurea Marloth | Accepted |  | TRO |  | 
	
		| Stapelia flavopurpurea var. fleckii (Berger & Schltr.) A.C. White & Sloane | Synonym |  | TRO |  | 
	
		| Stapelia fleckii Berger & Schltr. | Synonym |  | TRO |  | 
	
		| Stapelia forcipis Phillips & Letty | Synonym |  | TRO |  | 
	
		| Stapelia fucosa N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia furcata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia fuscata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia fuscopurpurea N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia gariepensis Pillans | Accepted |  | TRO |  | 
	
		| Stapelia geminata Masson | Synonym |  | TRO |  | 
	
		| Stapelia gemmifera Horkel ex Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia gemmiflora Masson | Synonym |  | TRO |  | 
	
		| Stapelia gemmiflora var. hircosa N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia gettleffii R. Pott | Synonym |  | TRO |  | 
	
		| Stapelia gettliffei Pott-Leend. | Accepted |  | TRO |  | 
	
		| Stapelia gigantea N.E.Br. | Accepted |  | WCSP (in review) |  | 
	
		| Stapelia gigantea var. pallida Phillips | Synonym |  | TRO |  | 
	
		| Stapelia glabricaulis N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia glabriflora N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia glandulifera Pers. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia glanduliflora Masson | Accepted |  | TRO |  | 
	
		| Stapelia glanduliflora var. emarginata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia glauca Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia glomerata Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia gordonii Masson | Synonym |  | TRO |  | 
	
		| Stapelia grandidens (Verd.) P.V.Heath | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia grandiflora Masson | Accepted |  | TRO |  | 
	
		| Stapelia grandiflora var. lineata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia gussoneana J. Jacq. ex Lindl. | Synonym |  | TRO |  | 
	
		| Stapelia guttata Masson | Synonym |  | TRO |  | 
	
		| Stapelia halipedicola (L.C.Leach) P.V.Heath | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia hamata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia hanburyana A.Berger & Ruest | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia herbacea Sessé & Moc. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia herrei Nel | Synonym |  | TRO |  | 
	
		| Stapelia hircosa Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta L. | Accepted |  | TRO |  | 
	
		| Stapelia hirsuta var. affinis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. comata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. depressa N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. grata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. longirostris N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. lutea N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. patula N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirsuta var. unguipetala N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia hirtella Jacq. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia hispida Horn ex Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia hispidula Hornem. | Synonym |  | TRO |  | 
	
		| Stapelia horizontalis N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia humilis Masson | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia hystrix Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia immelmaniae Pillans | Accepted |  | TRO |  | 
	
		| Stapelia incarnata L. f. | Synonym |  | TRO |  | 
	
		| Stapelia incomparabilis N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia indocta Nel | Synonym |  | TRO |  | 
	
		| Stapelia inodora (Haw.) Decne. | Synonym |  | TRO |  | 
	
		| Stapelia intermedia N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia involucrata Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia irrorata Masson | Synonym |  | TRO |  | 
	
		| Stapelia italica Ten. ex Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia jacquiniana Schult. | Synonym |  | TRO |  | 
	
		| Stapelia johni-lavranii Halda | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia jucunda N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia jucunda var. deficiens N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia juttae Dinter | Synonym |  | TRO |  | 
	
		| Stapelia juvencula Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia kagerensis Lebrun & Taton | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia knobelii Phillips | Synonym |  | TRO |  | 
	
		| Stapelia kougabergensis L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia kwebensis N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia kwebensis var. longipedicellata Berger | Synonym |  | TRO |  | 
	
		| Stapelia laevigata Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia laevis Decne. | Synonym |  | TRO |  | 
	
		| Stapelia lampadosa Jacq. ex Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia lanifera Haw. | Synonym |  | TRO |  | 
	
		| Stapelia leendertziae N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia lentiginosa Sims | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia lepida Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia limosa Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia longidens N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia longii C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia longipedicellata L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia longipes C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia longipes var. longipes | Synonym |  | TRO |  | 
	
		| Stapelia longipes var. namaquensis C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia lucida DC. | Synonym |  | TRO |  | 
	
		| Stapelia lunata Dammann ex Rust | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia lunata Sweet | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia lutea Sessé & Moc. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × luxurians Dammann ex Rust | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia maccabeana A.C. White & B. Sloane | Accepted |  | TRO |  | 
	
		| Stapelia macloughlinii Verdc. | Synonym |  | TRO |  | 
	
		| Stapelia macowani N.E. Br. | Unresolved |  | TRO |  | 
	
		| Stapelia macowanii var. conformis (N.E. Br.) L.C. Leach | Unresolved |  | TRO |  | 
	
		| Stapelia macrocarpa A.Rich. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia maculosa Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia maculosoides N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia mammillaris L. | Synonym |  | TRO |  | 
	
		| Stapelia margarita B. Sloane | Synonym |  | TRO |  | 
	
		| Stapelia marginata Willd. | Synonym |  | TRO |  | 
	
		| Stapelia marientalensis Nel | Synonym |  | TRO |  | 
	
		| Stapelia marlothii N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia marmorata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia massonii Haw. | Synonym |  | TRO |  | 
	
		| Stapelia mastodes Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia mastodis St.-Lag. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia mcloughlinii Verd. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia meintjesii Verd. | Synonym |  | TRO |  | 
	
		| Stapelia melanantha Schltr. | Synonym |  | TRO |  | 
	
		| Stapelia meliflua Blanco | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia meloughlinii Verd. | Unresolved |  | TRO |  | 
	
		| Stapelia × micrantha Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × milleri A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × mirabilis Dammann ex Rust | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia miscella N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia mixta Masson | Synonym |  | TRO |  | 
	
		| Stapelia molonyae A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia monstrosa Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia montagnacii Boiteau | Synonym |  | TRO |  | 
	
		| Stapelia montana L.C. Leach | Synonym |  | TRO |  | 
	
		| Stapelia moschata Donn | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia multangula Forssk. | Synonym |  | TRO |  | 
	
		| Stapelia × multiflora Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia multiflora DC. | Synonym |  | TRO |  | 
	
		| Stapelia × munbyana Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia mutabilis Jacq. | Accepted |  | TRO |  | 
	
		| Stapelia namaquensis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia natalensis Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia neglecta Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia neliana A.C. White & B. Sloane | Synonym |  | TRO |  | 
	
		| Stapelia noachabibensis C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia nobilis N.E.Br. ex Hook.f. | Accepted |  | WCSP (in review) |  | 
	
		| Stapelia normalis Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia nouhuysii Phillips | Synonym |  | TRO |  | 
	
		| Stapelia nudiflora Pillans | Synonym |  | TRO |  | 
	
		| Stapelia obducta L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia obliqua Willd. | Synonym |  | TRO |  | 
	
		| Stapelia obscura N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia ocellata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia olivacea N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia ophiuncula Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia orbicularis Andrews | Synonym |  | TRO |  | 
	
		| Stapelia orbiculata Donn | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia pachyrrhiza Dinter | Synonym |  | TRO |  | 
	
		| Stapelia pallens Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia pallida J.C. Wendl. | Synonym |  | TRO |  | 
	
		| Stapelia pancololote Sessé & Moc. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia paniculata Willd. | Accepted |  | TRO |  | 
	
		| Stapelia × panifolia Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia papillosa DC. ex Desf. | Unresolved |  | TRO |  | 
	
		| Stapelia paradoxa (Verd.) P.V.Heath | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia parviflora Masson | Synonym |  | TRO |  | 
	
		| Stapelia parvipuncta N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia parvipuncta var. parvipuncta | Synonym |  | TRO |  | 
	
		| Stapelia parvipuncta var. truncata C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia × parvipunctata Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia parvipunctata N.E. Br. ex K. Schum. | Unresolved |  | TRO |  | 
	
		| Stapelia parvula Kers | Accepted |  | WCSP (in review) |  | 
	
		| Stapelia × pasadenensis A.C.White & B.Sloane | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia passerini Tod. | Unresolved |  | TRO |  | 
	
		| Stapelia patentirostris N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia patula Willd. | Synonym |  | TRO |  | 
	
		| Stapelia patula var. longirostris N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia pearsonii N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia peculiaris C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia pedunculata Masson | Synonym |  | TRO |  | 
	
		| Stapelia peglerae N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia penduliflora Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia picta Donn | Synonym |  | TRO |  | 
	
		| Stapelia pilifera L. f. | Synonym |  | TRO |  | 
	
		| Stapelia pillansii N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia pillansii var. attenuata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia pillansii var. pillansii | Synonym |  | TRO |  | 
	
		| Stapelia planiflora Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia plantii MacKen ex N. E. Brown | Accepted |  | TRO |  | 
	
		| Stapelia plantii Hook. f. | Synonym |  | TRO |  | 
	
		| Stapelia plicata Salm-Dyck | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia portae-taurinae Dinter & A. Berger | Synonym |  | TRO |  | 
	
		| Stapelia praetermissa L.C. Leach | Synonym |  | TRO |  | 
	
		| Stapelia prognatha P.R.O. Bally | Synonym |  | TRO |  | 
	
		| Stapelia protensa Hornem. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia pruinosa Masson | Synonym |  | TRO |  | 
	
		| Stapelia pulchella Masson | Synonym |  | TRO |  | 
	
		| Stapelia pulchra Schult. | Synonym |  | TRO |  | 
	
		| Stapelia pulla Aiton | Synonym |  | TRO |  | 
	
		| Stapelia pulvinata Masson | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia pulvinata Donn | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia punctata Masson | Synonym |  | TRO |  | 
	
		| Stapelia purpurea Dammann ex A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia putida A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia quadrangula Forssk. | Synonym |  | TRO |  | 
	
		| Stapelia quinqueangularis Sessé & Moc. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia quinquenervis (Haw.) Schult. | Synonym |  | TRO |  | 
	
		| Stapelia radiata Sims | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia × radiata Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia ramosa Masson | Synonym |  | TRO |  | 
	
		| Stapelia rangeana (Dinter & A.Berger) P.V.Heath | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia reclinata Masson | Synonym |  | TRO |  | 
	
		| Stapelia × rectiflora Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia reflexa Haw. | Accepted |  | TRO |  | 
	
		| Stapelia remota R.A. Dyer | Accepted |  | TRO |  | 
	
		| Stapelia replicata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia reticulata Masson | Synonym |  | TRO |  | 
	
		| Stapelia retusa (Haw.) Schult. | Synonym |  | TRO |  | 
	
		| Stapelia revoluta Masson | Synonym |  | TRO |  | 
	
		| Stapelia rogersii L. Bolus | Synonym |  | TRO |  | 
	
		| Stapelia roriflua Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia × rosea (Rüst) A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia rubiginosa Nel | Accepted |  | TRO |  | 
	
		| Stapelia rufa Masson | Accepted |  | TRO |  | 
	
		| Stapelia rufa var. attenuata N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia rufa var. fissirostris (Jacq.) A.C. White & B. Sloane | Synonym |  | TRO |  | 
	
		| Stapelia × rufescens (Dammann) A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia rufescens Salm-Dyck | Synonym |  | TRO |  | 
	
		| Stapelia rugosa Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia ruschiana Dinter | Synonym |  | TRO |  | 
	
		| Stapelia sagittata Rottb. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × salmiana Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia sanguinea Pasq. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × sanguinea Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia sarmentosa Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia schinzii Berger & Schltr. | Accepted |  | TRO |  | 
	
		| Stapelia schinzii var. angolensis Kers | Accepted |  | WCSP (in review) |  | 
	
		| Stapelia schinzii var. bergeriana (Dinter) L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia schinzii var. schinzii | Synonym |  | TRO |  | 
	
		| Stapelia scitula L.C. Leach | Accepted |  | TRO |  | 
	
		| Stapelia scutellata Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia scylla auct. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia semota N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia senilis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia serrulata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia similis N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia simsii Schult. | Synonym |  | TRO |  | 
	
		| Stapelia × sisyphus Dammann ex Rust | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia sororia Masson | Synonym |  | TRO |  | 
	
		| Stapelia speciosa (L.C.Leach) P.V.Heath | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia spectabilis Haw. | Synonym |  | TRO |  | 
	
		| Stapelia stellaris Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia stellata St.-Lag. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia stricta Sims | Synonym |  | TRO |  | 
	
		| Stapelia stultitioides C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia stygia (Haw.) Schult. | Synonym |  | TRO |  | 
	
		| Stapelia subulata Forssk. | Synonym |  | TRO |  | 
	
		| Stapelia surrecta N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia surrecta var. primosii C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia tapscottii Verd. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia tarantuloides R.A. Dyer | Synonym |  | TRO |  | 
	
		| Stapelia thudichumii Pillans | Synonym |  | TRO |  | 
	
		| Stapelia tigridia Decne. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia tigrina Nel | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × tigrina (Dammann) A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × tricolor (Rüst) A.Berger | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia tridentata Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia trifida Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia trifolia Breiter | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia trisulca Donn ex Jacq. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia tsomoensis N.E. Br. | Accepted |  | TRO |  | 
	
		| Stapelia tubata Jacq. | Synonym |  | TRO |  | 
	
		| Stapelia tuberculata hort. ex Haw. | Synonym |  | TRO |  | 
	
		| Stapelia tuberosa Meerburgh | Synonym |  | TRO |  | 
	
		| Stapelia tubulosa Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia umbellata Donn ex Roxb. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia umbilicata Thur. ex Tod. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia × umbilicata Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia umbonata Pillans | Synonym |  | TRO |  | 
	
		| Stapelia umbracula M.D. Hend. | Synonym |  | TRO |  | 
	
		| Stapelia uncinata Jacq. | Accepted |  | TRO |  | 
	
		| Stapelia unguipetala N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia unicornis C.A. Lückh. | Accepted |  | TRO |  | 
	
		| Stapelia × uspenskyi Rüst | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia vaga N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Stapelia variegata L. | Synonym |  | TRO |  | 
	
		| Stapelia variegata var. brevicornis N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia venusta Masson | Synonym |  | TRO |  | 
	
		| Stapelia verrucosa Masson | Synonym |  | TRO |  | 
	
		| Stapelia verrucosa var. pulchra N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia verticillata Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia vetula Masson | Accepted |  | TRO |  | 
	
		| Stapelia vetula var. juvencula Berger | Synonym |  | TRO |  | 
	
		| Stapelia vetula var. simsii N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia villetiae C.A. Lückh. | Accepted |  | TRO |  | 
	
		| Stapelia villosa N.E.Br. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia virescens N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia virgata Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia wendlandiana Schult. | Synonym |  | TRO |  | 
	
		| Stapelia wilmaniae C.A. Lückh. | Synonym |  | TRO |  | 
	
		| Stapelia woodfordiana Haw. | Unresolved |  | WCSP (in review) |  | 
	
		| Stapelia woodii N.E. Br. | Synonym |  | TRO |  | 
	
		| Stapelia woodii var. westii R.A. Dyer | Synonym |  | TRO |  | 
	
		| Stapelia youngii N.E. Br. | Synonym |  | TRO |  |