Ranunculales is an order of flowering plants in the eudicots. It is the most basal clade in this group – it is the sister taxon to the remaining eudicots. The anthophytes are a grouping of plant taxa bearing flower-like reproductive structures. They were formerly thought to be a clade comprising plants bearing flower-like structures. The group contained the angiosperms - the extant flowering plants, such as roses and grasses - as well as the Gnetales and the extinct Bennettitales.

23,420 species of vascular plant have been recorded in South Africa, making it the sixth most species-rich country in the world and the most species-rich country on the African continent. Of these, 153 species are considered to be threatened. Nine biomes have been described in South Africa: Fynbos, Succulent Karoo, desert, Nama Karoo, grassland, savanna, Albany thickets, the Indian Ocean coastal belt, and forests.

The 2018 South African National Biodiversity Institute's National Biodiversity Assessment plant checklist lists 35,130 taxa in the phyla Anthocerotophyta (hornworts (6)), Anthophyta (flowering plants (33534)), Bryophyta (mosses (685)), Cycadophyta (cycads (42)), Lycopodiophyta (Lycophytes(45)), Marchantiophyta (liverworts (376)), Pinophyta (conifers (33)), and Pteridophyta (cryptogams (408)).

Five families are represented in the literature. Listed taxa include species, subspecies, varieties, and forms as recorded, some of which have subsequently been allocated to other taxa as synonyms, in which cases the accepted taxon is appended to the listing. Multiple entries under alternative names reflect taxonomic revision over time.

Berberidaceae Family: Berberidaceae,

Berberis Genus Berberis: Berberis aristata DC. not indigenous, naturalised Berberis julianae C.K.Schneid. not indigenous, cultivated, naturalised, invasive Berberis thunbergii DC. not indigenous, naturalised, invasive

Mahonia Genus Mahonia: Mahonia oiwakensis Hayata, not indigenous, cultivated, naturalised

Nandina Genus Nandina: Nandina domestica Thunb. not indigenous, cultivated, naturalised, invasive

Fumariaceae Family: Fumariaceae,

Cysticapnos Genus Cysticapnos: Cysticapnos cracca (Cham. & Schltdl.) Liden, endemic Cysticapnos grandiflora Bernh. accepted as Cysticapnos vesicaria (L.) Fedde subsp. vesicaria, present Cysticapnos parviflora Liden, accepted as Cysticapnos vesicaria (L.) Fedde subsp. namaquensis J.C.Manning & Goldblatt, endemic Cysticapnos pruinosa (Bernh.) Liden, indigenous Cysticapnos vesicaria (L.) Fedde, indigenous Cysticapnos vesicaria (L.) Fedde forma brevilobus Fedde, accepted as Cysticapnos vesicaria (L.) Fedde subsp. vesicaria, present Cysticapnos vesicaria (L.) Fedde forma longilobus Fedde, accepted as Cysticapnos vesicaria (L.) Fedde subsp. vesicaria, present Cysticapnos vesicaria (L.) Fedde subsp. namaquensis J.C.Manning & Goldblatt, indigenous Cysticapnos vesicaria (L.) Fedde subsp. vesicaria, indigenous

Discocapnos Genus Discocapnos: Discocapnos mundii Cham. & Schltdl. endemic Discocapnos mundii Cham. & Schltdl. subsp. dregei (Harv.) J.C.Manning & Goldblatt, endemic Discocapnos mundii Cham. & Schltdl. subsp. mundii, indigenous

Fumaria Genus Fumaria: Fumaria capreolata L. not indigenous, naturalised Fumaria muralis Sond. ex W.D.J.Koch subsp. muralis, not indigenous, naturalised, invasive Fumaria parviflora Lam. var. parviflora, not indigenous, naturalised

Phacocapnos Genus Phacocapnos: Phacocapnos dregeanus Bernh. accepted as Cysticapnos cracca (Cham. & Schltdl.) Liden, present

Trigonocapnos Genus Trigonocapnos: Trigonocapnos curvipes Schltr. accepted as Trigonocapnos lichtensteinii (Cham. & Schltdl.) Liden, present Trigonocapnos lichtensteinii (Cham. & Schltdl.) Liden, endemic

Menispermaceae Family: Menispermaceae,

Albertisia Genus Albertisia: Albertisia delagoensis (N.E.Br.) Forman, indigenous

Antizoma Genus Antizoma: Antizoma angustifolia (Burch.) Miers ex Harv. indigenous Antizoma miersiana Harv. indigenous

Cissampelos Genus Cissampelos: Cissampelos capensis L.f. indigenous Cissampelos hirta Klotzsch, indigenous Cissampelos mucronata A.Rich. indigenous Cissampelos torulosa E.Mey. ex Harv. indigenous

Cocculus Genus Cocculus: Cocculus hirsutus (L.) Diels, not indigenous, naturalised

Stephania Genus Stephania: Stephania abyssinica (Quart.-Dill. & A.Rich.) Walp. indigenous Stephania abyssinica (Quart.-Dill. & A.Rich.) Walp. var. abyssinica, indigenous Stephania abyssinica (Quart.-Dill. & A.Rich.) Walp. var. tomentella (Oliv.) Diels, indigenous

Tiliacora Genus Tiliacora: Tiliacora funifera (Miers) Oliv. indigenous

Tinospora Genus Tinospora: Tinospora caffra (Miers) Troupin, indigenous Tinospora fragosa (I.Verd.) I.Verd. & Troupin, indigenous Tinospora fragosa (I.Verd.) I.Verd. & Troupin subsp. fragosa, indigenous Tinospora tenera Miers, indigenous

Papaveraceae Family: Papaveraceae,

Argemone Genus Argemone: Argemone albiflora Hornem. subsp. texana G.B.Ownbey, not indigenous, naturalised, invasive Argemone mexicana L. not indigenous, naturalised, invasive Argemone mexicana L. forma mexicana, not indigenous, naturalised, invasive Argemone ochroleuca Sweet, not indigenous, naturalised, invasive Argemone ochroleuca Sweet subsp. ochroleuca, not indigenous, naturalised, invasive

Bocconia Genus Bocconia: Bocconia frutescens L. not indigenous, cultivated, naturalised

Eschscholzia Genus Eschscholzia: Eschscholzia californica Cham. subsp. californica, not indigenous, cultivated, naturalised

Glaucium Genus Glaucium: Glaucium corniculatum (L.) Rudolph, not indigenous, naturalised

Papaver Genus Papaver: Papaver aculeatum Thunb. indigenous Papaver argemone L. not indigenous, naturalised Papaver hybridum L. not indigenous, naturalised Papaver rhoeas L. not indigenous, naturalised

Ranunculaceae Family: Ranunculaceae,

Adonis Genus Adonis: Adonis capensis L. accepted as Anemone knowltonia Burtt Davy, indigenous Adonis filia L.f. accepted as Anemone filia (L.f.) J.C.Manning & Goldblatt subsp. filia, indigenous Adonis vesicatoria L.f. accepted as Anemone vesicatoria (L.f.) Prantl subsp. vesicatoria, indigenous

Anamenia Genus Anamenia: Anamenia capensis (L.f.) Hoffmanns. accepted as Anemone knowltonia Burtt Davy, indigenous Anamenia gracilis Vent. accepted as Anemone knowltonia Burtt Davy, indigenous

Anemone Genus Anemone: Anemone alchemillifolia E.Mey. ex Pritz. accepted as Anemone caffra (Eckl. & Zeyh.) Harv. indigenous Anemone alchemillifolia E.Mey. ex Pritz. var. caffra (Eckl. & Zeyh.) Huth, accepted as Anemone caffra (Eckl. & Zeyh.) Harv. indigenous Anemone alchemillifolia E.Mey. ex Pritz. var. grandiflora Huth, accepted as Anemone caffra (Eckl. & Zeyh.) Harv. indigenous Anemone alchemillifolia E.Mey. ex Pritz. var. schlechteriana Huth, accepted as Anemone caffra (Eckl. & Zeyh.) Harv. indigenous Anemone anemonoides (H.Rasm.) J.C.Manning & Goldblatt, indigenous Anemone anemonoides (H.Rasm.) J.C.Manning & Goldblatt subsp. anemonoides, endemic Anemone anemonoides (H.Rasm.) J.C.Manning & Goldblatt subsp. tenuis (H.Rasm.) J.C.Manning & Goldblat, endemic Anemone arborea Steud. accepted as Anemone tenuifolia (L.f.) DC. Anemone bracteata (Harv. ex J.Zahlbr.) J.C.Manning & Goldblatt, endemic Anemone brevistylis (Szyszyl.) J.C.Manning & Goldblatt, endemic Anemone caffra (Eckl. & Zeyh.) Harv. endemic Anemone caffra (Eckl. & Zeyh.) Harv. var. pondoensis Ulbr. accepted as Anemone caffra (Eckl. & Zeyh.) Harv. indigenous Anemone canescens (Szyszyl.) Burtt Davy, accepted as Anemone transvaalensis (Szyszyl.) Burtt Davy var. transvaalensis, indigenous Anemone capensis (L.) DC. accepted as Anemone tenuifolia (L.f.) DC. Anemone capensis Lam. accepted as Anemone tenuifolia (L.f.) DC. indigenous Anemone cordata (H.Rasm.) J.C.Manning & Goldblatt, endemic Anemone fanninii Harv. ex Mast. indigenous Anemone fanninii Harv. ex Mast. var. mafubensis Beauverd, accepted as Anemone fanninii Harv. ex Mast. indigenous Anemone fanninii Harv. ex Mast. var. parviflora Ulbr. accepted as Anemone fanninii Harv. ex Mast. indigenous Anemone filia (L.f.) J.C.Manning & Goldblatt, endemic Anemone filia (L.f.) J.C.Manning & Goldblatt subsp. filia, endemic Anemone filia (L.f.) J.C.Manning & Goldblatt subsp. scaposa (H.Rasm.) J.C.Manning & Goldblatt, endemic Anemone knowltonia Burtt Davy, endemic Anemone peenensis Baker f. accepted as Anemone transvaalensis (Szyszyl.) Burtt Davy var. transvaalensis Anemone tenuifolia (L.f.) DC. endemic Anemone transvaalensis (Szyszyl.) Burtt Davy, indigenous Anemone transvaalensis (Szyszyl.) Burtt Davy var. filifolia (H.Rasm.) J.C.Manning & Goldblatt, endemic Anemone transvaalensis (Szyszyl.) Burtt Davy var. pottiana (Burtt Davy) J.C.Manning & Goldblatt, endemic Anemone transvaalensis (Szyszyl.) Burtt Davy var. transvaalensis, indigenous Anemone vesicatoria (L.f.) Prantl, endemic Anemone vesicatoria (L.f.) Prantl subsp. grossa (H.Rasm.) J.C.Manning & Goldblatt, endemic Anemone vesicatoria (L.f.) Prantl subsp. humilis (H.Rasm.) J.C.Manning & Goldblatt, endemic Anemone vesicatoria (L.f.) Prantl subsp. vesicatoria, endemic Anemone whyteana Baker f. accepted as Anemone transvaalensis (Szyszyl.) Burtt Davy var. transvaalensis

Atragene Genus Atragene: Atragene capensis L. accepted as Anemone tenuifolia (L.f.) DC. indigenous Atragene tenuifolia L.f. accepted as Anemone tenuifolia (L.f.) DC. Atragene tenuis Thunb. accepted as Anemone tenuifolia (L.f.) DC. indigenous

Batrachium Genus Batrachium: Batrachium trichophyllus (Chaix) Bosch, accepted as Ranunculus trichophyllus Chaix, indigenous

Clematis Genus Clematis: Clematis bowkeri Burtt Davy ex W.T.Wang, endemic Clematis brachiata Thunb. indigenous Clematis brachiata Thunb. var. burkei Burtt Davy, accepted as Clematis brachiata Thunb. indigenous Clematis brachiata Thunb. var. oweniae (Harv.) Durand & Schinz, accepted as Clematis oweniae Harv. indigenous Clematis capensis (L.) Poir. accepted as Anemone tenuifolia (L.f.) DC. Clematis commutata Kuntze var. glabrisepala W.T.Wang, accepted as Clematis bowkeri Burtt Davy ex W.T.Wang, indigenous Clematis hirsuta Perr. & Guill. indigenous Clematis hirsuta Perr. & Guill. var. junodii (Burtt Davy) W.T.Wang, indigenous Clematis massoniana DC. endemic Clematis orientalis L. subsp. thunbergii (Steud.) Kuntze, accepted as Clematis triloba Thunb. indigenous Clematis orientalis L. subsp. thunbergii (Steud.) Kuntze var. oweniae, accepted as Clematis oweniae Harv. indigenous Clematis orientalis L. var. albida (Klotzsch) Kuntze forma massoniana, accepted as Clematis massoniana DC. indigenous Clematis oweniae Harv. indigenous Clematis oweniae Harv. var. junodii Burtt Davy, accepted as Clematis hirsuta Perr. & Guill. var. junodii (Burtt Davy) W.T.Wang, indigenous Clematis stanleyi Hook. accepted as Clematis villosa DC. subsp. stanleyi (Hook.) Kuntze, indigenous Clematis stewartiae Burtt Davy, accepted as Clematis brachiata Thunb. indigenous Clematis stewartiae Burtt Davy var. wilmsii Burtt Davy, accepted as Clematis brachiata Thunb. indigenous Clematis tenuifolia (L.f.) Poir. accepted as Anemone tenuifolia (L.f.) DC. Clematis thunbergii Steud. accepted as Clematis triloba Thunb. indigenous Clematis triloba Thunb. indigenous Clematis villosa DC. indigenous Clematis villosa DC. subsp. stanleyi (Hook.) Kuntze, indigenous

Clematopsis Genus Clematopsis: Clematopsis scabiosifolia (DC.) Hutch. subsp. stanleyi (Hook.) Brummitt, accepted as Clematis villosa DC. subsp. stanleyi (Hook.) Kuntze, indigenous Clematopsis stanleyi (Hook.) Hutch. accepted as Clematis villosa DC. subsp. stanleyi (Hook.) Kuntze, indigenous Clematopsis villosa (DC.) Hutch. subsp. stanleyi (Hook.) J.Raynal & Brummitt, accepted as Clematis villosa DC. subsp. stanleyi (Hook.) Kuntze, indigenous

Knowltonia Genus Knowltonia: