The Fabales are an order of flowering plants included in the rosid group of the eudicots in the Angiosperm Phylogeny Group II classification system. In the APG II circumscription, this order includes the families Fabaceae or legumes (including the subfamilies Caesalpinioideae, Mimosoideae, and Faboideae), Quillajaceae, Polygalaceae or milkworts (including the families Diclidantheraceae, Moutabeaceae, and Xanthophyllaceae), and Surianaceae. The Fabaceae, as the third-largest plant family in the world, contain most of the diversity of the Fabales, the other families making up a comparatively small portion of the order's diversity. Research in the order is largely focused on the Fabaceae, due in part to its great biological diversity, and to its importance as food plants. The Polygalaceae are fairly well researched among plant families, in part due to the large diversity of the genus Polygala, and other members of the family being food plants for various Lepidoptera (butterfly and moth) species.
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)).
Two 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.
Fabaceae Family: Fabaceae,
Abrus Genus Abrus: Abrus laevigatus E.Mey. indigenous Abrus precatorius L. indigenous Abrus precatorius L. subsp. africanus Verdc. indigenous
Acacia Genus Acacia: Acacia adunca A.Cunn. ex G.Don, not indigenous, naturalised Acacia afra (Thunb.) Willd. accepted as Senegalia afra (Thunb.) P.J.H.Hurter & Mabb. indigenous Acacia arenaria Schinz, accepted as Vachellia arenaria (Schinz) Kyal. & Boatwr. Acacia armata R.Br. accepted as Acacia paradoxa DC. not indigenous, naturalised Acacia ataxacantha DC. accepted as Senegalia ataxacantha (DC.) Kyal. & Boatwr. indigenous Acacia baileyana F.Muell. not indigenous, naturalised, invasive Acacia borleae Burtt Davy, accepted as Vachellia borleae (Burtt Davy) Kyal. & Boatwr. indigenous Acacia brevispica Harms, accepted as Senegalia brevispica (Harms) Seigler & Ebinger, indigenous Acacia brevispica Harms subsp. dregeana (Benth.) Brenan, accepted as Senegalia brevispica (Harms) Seigler & Ebinger subsp. dregeana (Benth.) Kyal. & Boatwr. indigenous Acacia burkei Benth. accepted as Senegalia burkei (Benth.) Kyal. & Boatwr. indigenous Acacia crassiuscula H.L.Wendl. not indigenous, naturalised Acacia cultriformis A.Cunn. ex G.Don, not indigenous, naturalised Acacia cyclops A.Cunn. ex G.Don, not indigenous, naturalised, invasive Acacia davyi N.E.Br. accepted as Vachellia davyi (N.E.Br.) Kyal. & Boatwr. indigenous Acacia dealbata Link, not indigenous, naturalised, invasive Acacia decurrens Willd. not indigenous, naturalised, invasive Acacia dyeri P.P.Sw. accepted as Vachellia dyeri (P.P.Sw.) Kyal. & Boatwr. endemic Acacia ebutsiniorum P.J.H.Hurter, accepted as Vachellia ebutsiniorum (P.J.H.Hurter) Kyal. & Boatwr. present Acacia elata A.Cunn. ex Benth. not indigenous, naturalised, invasive Acacia erioloba E.Mey. accepted as Vachellia erioloba (E.Mey.) P.J.H.Hurter, indigenous Acacia erubescens Welw. ex Oliv. accepted as Senegalia erubescens (Welw. ex Oliv.) Kyal. & Boatwr. indigenous Acacia exuvialis I.Verd. accepted as Vachellia exuvialis (I.Verd.) Kyal. & Boatwr. indigenous Acacia farnesiana (L.) Willd. accepted as Vachellia farnesiana (L.) Wight & Arn. not indigenous, naturalised Acacia ferox Benth. accepted as Senegalia burkei (Benth.) Kyal. & Boatwr. indigenous Acacia fimbriata A.Cunn. ex G.Don, not indigenous, naturalised, invasive Acacia fleckii Schinz, indigenous Acacia galpinii Burtt Davy, accepted as Senegalia galpinii (Burtt Davy) Seigler & Ebinger, indigenous Acacia gerrardi Benth. accepted as Vachellia gerrardi (Benth.) P.J.H.Hurter, indigenous Acacia goetzei Harms subsp. microphylla Brenan, accepted as Senegalia goetzei (Harms) Kyal. & Boatwr. subsp. microphylla (Brenan) Kyal. & Boatwr. Acacia grandicornuta Gerstner, accepted as Vachellia grandicornuta (Gerstner) Seigler & Ebinger, indigenous Acacia haematoxylon Willd. accepted as Vachellia haematoxylon (Willd.) Seigler & Ebinger, indigenous Acacia hebeclada DC. subsp. chobiensis (O.B.Mill.) A.Schreib. accepted as Vachellia hebeclada (DC.) Kyal. & Boatwr. subsp. chobiensis (O.B.Mill.) Kyal. & Boatwr. Acacia hebeclada DC. subsp. tristis (Welw. ex Oliv.) A.Schreib. accepted as Vachellia hebeclada (DC.) Kyal. & Boatwr. subsp. tristis (A.Schreib.) Kyal. & Boatwr. Acacia hereroensis Engl. accepted as Senegalia hereroensis (Engl.) Kyal. & Boatwr. indigenous Acacia implexa Benth. not indigenous, naturalised, invasive Acacia karroo Hayne, accepted as Vachellia karroo (Hayne) Banfi & Gallaso, indigenous Acacia kosiensis P.P.Sw. accepted as Vachellia kosiensis (P.P.Sw. & Coates Palgr.) Kyal. & Boatwr. present Acacia kraussiana Meisn. ex Benth. accepted as Senegalia kraussiana (Meisn. ex Benth.) Kyal. & Boatwr. indigenous Acacia longifolia (Andrews) Willd. not indigenous, naturalised, invasive Acacia luederitzii Engl. accepted as Vachellia luederitzii (Engl.) Kyal. & Boatwr. indigenous Acacia luederitzii Engl. var. retinens (Sim) J.H.Ross & Brenan, accepted as Vachellia luederitzii (Engl.) Kyal. & Boatwr. var. retinens (Sim) & Kyal. & Boatwr. indigenous Acacia mearnsii De Wild. not indigenous, naturalised, invasive Acacia melanoxylon R.Br. not indigenous, naturalised, invasive Acacia mellifera (Vahl) Benth. subsp. detinens (Burch.) Brenan, accepted as Senegalia mellifera (Vahl) Seigler & Ebinger subsp. detinens (Burch.) Kyal. & Boatwr. indigenous Acacia montana P.P.Sw. accepted as Acacia theronii P.P.Sw. present Acacia montis-usti Merxm. & A.Schreib. accepted as Senegalia montis-usti (Merxm. & A.Schreib.) Kyal. & Boatwr. Acacia natalitia E.Mey. accepted as Vachellia natalitia (E.Mey.) Kyal. & Boatwr. endemic Acacia nebrownii Burtt Davy, accepted as Vachellia nebrownii (Burtt Davy) Seigler & Ebinger, indigenous Acacia nigrescens Oliv. accepted as Senegalia nigrescens (Oliv.) P.J.H.Hurter, indigenous Acacia nilotica (L.) Willd. ex Delile subsp. kraussiana (Benth.) Brenan, accepted as Vachellia nilotica (L.) P.J.H.Hurter & Mabb. subsp. kraussiana (Benth.) Kyal. & Boatwr. indigenous Acacia ormocarpoides P.J.H.Hurter, accepted as Vachellia ormocarpoides (P.J.H.Hurter) Kyal. & Boatwr. present Acacia paradoxa DC. not indigenous, naturalised, invasive Acacia permixta Burtt Davy, accepted as Vachellia permixta (Burtt Davy) Kyal. & Boatwr. indigenous Acacia podalyriifolia A.Cunn. ex G.Don, not indigenous, naturalised, invasive Acacia polyacantha Willd. subsp. campylacantha (Hochst. ex A.Rich.) Brenan, accepted as Senegalia polyacantha (Willd.) Seigler & Ebinger subsp. campylacantha (Hochst. ex A.Rich.) Kyal. & B, indigenous Acacia pycnantha Benth. not indigenous, naturalised, invasive Acacia rehmanniana Schinz, accepted as Vachellia rehmanniana (Schinz) Kyal. & Boatwr. indigenous Acacia retinodes Schltdl. not indigenous, cultivated, naturalised Acacia robbertsii P.P.Sw. accepted as Vachellia robbertsei (P.P.Sw.) Kyal. & Boatwr. present Acacia robusta Burch. subsp. clavigera (E.Mey.) Brenan, accepted as Vachellia robusta (Burch.) Kyal. & Boatwr. subsp. clavigera (E.Mey.) & Kyal. & Boatwr. indigenous Acacia saligna (Labill.) H.L.Wendl. not indigenous, naturalised, invasive Acacia schlechteri Harms, accepted as Senegalia burkei (Benth.) Kyal. & Boatwr. Acacia sekhukhuniensis P.J.H.Hurter, accepted as Vachellia sekhukhuniensis (P.J.H.Hurter) Kyal. & Boatwr. endemic Acacia senegal (L.) Willd. var. leiorhachis Brenan, accepted as Senegalia senegal (L.) Britton var. leiorhachis (Brenan) Kyal. & Boatwr. indigenous Acacia senegal (L.) Willd. var. rostrata Brenan, accepted as Senegalia senegal (L.) Britton var. rostrata (Brenan) Kyal. & Boatwr. indigenous Acacia sieberiana DC. var. woodii (Burtt Davy) Keay & Brenan, accepted as Vachellia sieberiana (DC.) Kyal. & Boatwr. var. woodii (Burtt Davy) Kyal. & Boatwr. indigenous Acacia stricta (Andrews) Willd. not indigenous, naturalised, invasive Acacia stuhlmannii Taub. accepted as Vachellia stuhlmannii (Taub.) Kyal. & Boatwr. indigenous Acacia swazica Burtt Davy, accepted as Vachellia swazica (Burtt Davy) Kyal. & Boatwr. indigenous Acacia tenuispina I.Verd. accepted as Vachellia tenuispina (I.Verd.) Kyal. & Boatwr. indigenous Acacia theronii P.P.Sw. endemic Acacia tortilis (Forssk.) Hayne subsp. heteracantha (Burch.) Brenan, accepted as Vachellia tortilis (Forssk.) Gallaso & Banfi subsp. heteracantha (Burch.) Kyal. & Boatwr. present Acacia tortilis (Forssk.) Hayne subsp. spirocarpa (Hochst. ex A.Rich.) Brenan var. spirocarpa, accepted as Vachellia tortilis (Forssk.) Gallaso & Banfi subsp. spirocarpa (Hochst. ex A.Rich.) Kyal. & Boatwr. Acacia viscidula A.Cunn. ex Benth. not indigenous, cultivated, naturalised, invasive Acacia welwitschii Oliv. subsp. delagoensis (Harms) J.H.Ross & Brenan, accepted as Senegalia welwitschii (Oliv.) Kyal. & Boatwr. subsp. delagoensis (Harms ex Burtt Davy) Kyal. & Boatw, indigenous Acacia xanthophloea Benth. accepted as Vachellia xanthophloea (Benth.) P.J.H.Hurter, indigenous
Acrocarpus Genus Acrocarpus: Acrocarpus fraxinifolius Arn. not indigenous, cultivated, naturalised
Adenolobus Genus Adenolobus: Adenolobus garipensis (E.Mey.) Torre & Hillc. indigenous
Adenopodia Genus Adenopodia: Adenopodia spicata (E.Mey.) C.Presl, indigenous
Aeschynomene Genus Aeschynomene: Aeschynomene indica L. indigenous Aeschynomene micrantha DC. indigenous Aeschynomene nodulosa (Baker) Baker f. indigenous Aeschynomene nodulosa (Baker) Baker f. var. glabrescens J.B.Gillett, indigenous Aeschynomene nodulosa (Baker) Baker f. var. nodulosa, indigenous Aeschynomene nyassana Taub. indigenous Aeschynomene rehmannii Schinz, indigenous Aeschynomene rehmannii Schinz var. leptobotrya (Harms ex Baker f.) J.B.Gillett, indigenous Aeschynomene rehmannii Schinz var. rehmannii, indigenous Aeschynomene rhodesiaca Harms, indigenous Aeschynomene uniflora E.Mey. indigenous Aeschynomene uniflora E.Mey. var. uniflora, indigenous
Afzelia Genus Afzelia: Afzelia quanzensis Welw. indigenous
Albizia Genus Albizia: Albizia adianthifolia (Schumach.) W.Wight, indigenous Albizia adianthifolia (Schumach.) W.Wight var. adianthifolia, indigenous Albizia amara (Roxb.) Boivin subsp. sericocephala (Benth.) Brenan, indigenous Albizia anthelmintica (A.Rich.) Brongn. indigenous Albizia antunesiana Harms, indigenous Albizia brevifolia Schinz, indigenous Albizia forbesii Benth. indigenous Albizia harveyi E.Fourn. indigenous Albizia julibrissin (Willd.) Durazz. not indigenous, naturalised