A Taxonomic Revision of Chamaecrista (Caesalpinioideae, Cassieae, Cassiinae) in Southern Africa Author Musandiwa, Liada Department of Biodiversity and Conservation Biology, University of theWestern Cape, Private Bag X 17, Bellville, 7535, South Africa Author Magee, Anthony R. Compton Herbarium, South Africa National Biodiversity Institute, Kirstenbosch Research Centre, Private Bag X 7, Claremont, 7735, Cape Town, South Africa Author Boatwright, James S. Department of Biodiversity and Conservation Biology, University of theWestern Cape, Private Bag X 17, Bellville, 7535, South Africa jboatwright@uwc.ac.za text Systematic Botany 2022 Basel, Switzerland 2022-12-12 47 4 992 1011 http://dx.doi.org/10.1600/036364422x16674053033831 journal article 57370 10.1600/036364422x16674053033831 aca4cc44-7970-4214-8100-97fa3c87eeb6 8117056 4b. Chamaecrista comosa subsp. capriconia (Stayaert) Musandiwa & Boatwr. , stat. nov. Cassia comosa var. capriconia Stayaert , Bull. Jard. Bot. Brux. 20: 252 (1950); Brenan in F.T.E.A Legum.-Caesalp.: 90 (1967); Gordon-Gray in F.S.A. 16(2): 97 (1977) ; Lock in Kew Bull 43(2): 336 (1988) . TYPE : ZAIRE [ DEMOCRATIC REPUBLIC OF CONGO ]. Katanga, Elizabethville , 15 May 1950 , Rogers 10184 ( holotype : BR , [ BR0000008917614 ]–image!). Perennial herbs, to 0.6 m tall. Stems simple or sub-simple, or branched from the woody rootstock. Leaves paripinnate, 30–90 × 10–20 mm ; leaflets 5–34-jugate, 4–13 × 2–4 mm ; stipules 5–10 mm ; large, sessile extrafloral nectaries, often spreading over the sides of the petiole. Pedicels 10–20 mm long. Pods 33–55 × 4–5 mm . Diagnostic Characters — Chamaecrista comosa subsp. capriconia is distinguished by large, sessile extrafloral nectaries that are often spreading over the sides of the petiole ( Fig. 3D ), and smaller general morphology (i.e. leaves 30–90 × 10–20 mm ; leaflets 4–13 × 2–4 mm ; stipules 5–10 mm ; large, pedicels 9–20 mm long and pods 33–55 × 4–5 mm ). Distribution and Ecology — Chamaecrista comosa subsp. capriconia is an inland species, distributed in the drier, northern parts of South Africa , from Tzaneen through Rustenburg to Pretoria and Johannesburg in Gauteng Province , extending beyond the region to Zimbabwe ( Fig. 7 ). It grows in grasslands in drier areas, usually on sandy soil, at an altitude below 1820 m . Flowering from October–February. FIG . 7. Known distribution of Chamaecrista comosa subsp. comosa (-) and Chamaecrista comosa subsp. capriconia (O) in southern Africa. Additional Specimens Examined — South Africa . — LIMPOPO : 2327 ( Ellisras ): at bridge over Palala River, 5 km from Palala (–BB), 8 Mar 1978 , Germishuizen 00726 ( PRE ) . 2330 ( Tzaneen ): New Agatha Forest Reserve (–CC), 13 Nov 1918 , McCallum 548 ( PRE ) . 2428 ( Nylstroom ): Tafelkop Private Nature Reserve at Geelhoutkop and Melkriver (–AB), 19 Feb 1972 , Coetzee 1035 ( PRE ) ; Heuningfontein, Ratelhoek Farm (–AD), 7 Dec 1985 , Westfall 2037 ( PRE ) ; near Loubadspruit bridge on road between Nylstroom and Alma (–CA), without date, Welman 506 ( PRE ) ; between Warmbaths and Nylstroom, 1 mile (ca. 1.6 km ) along Vaalkop road (–CD), 22 Apr 1970 , Clarke 39 ( PRE ) ; Vaalwater Farm Driefontein (–DA), without date, Westfall 1531 ( PRE ) . — NORTH WEST : 2526 ( Zeerust ): Grasfontein (–CC), 16 Dec 1929 , Sutton 344 ( PRE ) . 2527 ( Rustenburg ): Buffelskloof farm (–AA), 30 Nov 1977 , Germishuizen 582 ( PRE ) ; Rustenburg Kloof (–AB), 27 Dec 1949 , Steyn 895 ( NBG ) ; Brits (–DB), 24 Feb 1958 , Van Vuuren 471 ( PRE ) . 2626 ( Klerksdorp ): Schoonspruit, 5 km from Ventersdorp on road to Koster (–BD), 27 Nov 1986 , Germishuizen 3955A ( PRE ) . 2627 ( Potchefstroom ): Carletonville, A. Bairley Nature Reserve (–AD), Apr 1983 , Van Wyk 154 ( PRE ) ; Gerhardsminnebron (–CA), 25 Nov 1976 , Botha & Ubbink 1835 ( PRE ) ; Arboretum (–CA), 31 Jan 1996 , Cilliers 2020 ( PRE ) . — GAUTENG : 2528 ( Pretoria ): Botanical Garden, Brummeria (–CA), 4 Jan 1967 , Todd 4 ( PRE ) ; Fountain Valley (–CA), 15 Nov 1928 , Repton 104 ( PRE ) ; Wonderboom S, Pretoria (–CA), 14 Nov 1969 , Coetzee 6 ( PRE ) ; Roodeplaat Dam Nature Reserve (–CB), 27 Dec 1979 , Rooyen 2238 ( PRE ) ; Willow on turnoff to Garsfontein (–CB), 8 Nov 1977 , Germishuizen 00464 ( PRE ) ; Groenkloof (–CC), 15 Feb1922 , Phillips s.n. ( PRE ) ; Cornwall Hill Ridge (–CC), 3 Feb 2009 , Masupa 2 ( PRE ) ; Cornwall Hill Ridge (–CC), 3 Feb 2009 , Ramantswana 4 ( PRE ) ; Olievenhoutbos extension 13 (–CC), without date, Masombuka 15 ( PRE ) ; Cornhill Ridge (–CC), 3 Feb 2009 , Ramalekana 18 ( PRE ) ; 31.1 km E of Pretoria (–CD), 14 Jan 1959 , Mauve s.n. ( NU ) ; 18 miles (ca. 28.9 km ) from Pretoria on road to Welbekend (–CD), 30 Jan 1971 , Clarke 138 ( PRE ) ; Waterkloof Heights, SE of Pretoria (–CD), 24 Jan 1970 , Clarke 126 ( PRE ) ; Garsfontein (–CD), Feb 1977 , Liebenberg 8626 ( PRE ) ; Goedvertroudt Farm 499 JR (–DD), 6 Nov 2009 , Masupa 68 ( PRE ) ; Goedvertroudt Farm 499 JR (–DD), 6 Nov 2009 , Masupa 32 ( PRE ) ; Goedvertroudt Farm 499 JR (–DD), 6 Nov 2009 , Masupa 38 ( PRE ) . 2628 ( Johannesburg ): Johannesburg (–AA), 24 Jan 1976 , Burger 292 ( PRE ) ; Mulders Drift road (–AA), 13 Mar 1927 , Young 26450 ( PRE ) ; Kensington Ridge (–AA), Dec 1932 , Neydorn s.n. ( PRE ) ; Melville Koppies Nature Reserve (–AC), 4 Feb 2014 , Kondlo, Magoele, Mogale, & Konanani 2902 ( PRE ) ; Ashburry station (–CA), 29 Nov 1925 , Smith 1351 ( PRE ) ; Suikerbosrand (–CB), 23 Dec 1971 , Bredenkamp 539 ( PRE ) ; Melville Koppies (–CC), 27 Dec 1971 , Macnae s.n. ( NBG ) . — MPUMALANGA : 2430 ( Pilgrims Rest ): on road from Machadodorp to Sabie via Houtbosloop (–DB), 16 Jan 1969 , Hilliard 5954 ( NU ) ; Blyde River Nature Reserve (–DD), 21 Jan 1969 , Hilliard & Burtt 6029 ( PRE ) . 2529 ( Witbank ): 10 km from Grobersdal on road to Nebo (–AB), 4 Mar 1986 , Germishuizen 3734 ( PRE ) ; Kwa-Ndebele, Farm Goederede (–AC), 16 Mar 1981 , Du Toit 207 ( PRE ) ; Loskop Dam (–AD), 19 Dec 1966 , Theron 855 ( PRE ) ; Mapoch’ s Cave (–BB), 18 Jan 2005 , Swelankomo 232 ( PRE ) ; Middleburg, Doornkop 273 (–CB), 14 Feb 1968 , Du Plessis 398 ( PRE ) ; Middleburg, Doornkop 273 J.S. (–CB), 29 Oct 1968 , Du Plessis 951 ( PRE ) ; Farm Doornrug ca. 16 km West of Witbank next to the N4 (–CC), 18 Dec 2003 , Nkonki 74 ( PRE ) ; ca. 15 km N of Belfast on road to Stofberg (–DB), 30 Jan 1996 , Jordaan 3100 ( PRE ) . 2530 ( Lydenburg ): Witklip (–BD), 13 Dec 1973 , Kluge 370 ( PRE ) ; along R541 towards Machadodorp ca. 15.4 km directly NNW of Badplaas (–CD), 27 Nov 2017 , Bester 13905 ( PRE ) . 2630 ( Carolina ): 20 km from Lochiel on road to Badplaas (–BA), 6 Mar 1986 , Germishuizen 3860 ( PRE ) ; 2531 ( Komatipoort ): Barberton (–CC), Nov 1913 , Rogers 12862 ( PRE ) ; Komatipoort (–CC), Dec 1913 , Rogers 13722 ( PRE ) ; Kangwane, Songimvelo Game Reserve (–CC), 9 Dec 1992 , Germishuizen 5767 ( PRE ) ; Kangwane, Songimvelo Game Reserve (–CC), 9 Dec 1992 , Germishuizen 5686 ( PRE ) . Swaziland ( Eswatini ). —2631 ( Mbabane ): ca. 20.9 km turn off to Piggs Peak from Mbabane (–AB), 19 Jan 1966 , Hilliard 3561 ( NU ) . Zimbabwe . —1831 ( Marondera ): Nyanga village (–DA), 2 Jan 1975 , Nicholas 302 ( NU ) .