Annual or perennial herbs or shrubs. Hairs basifixed. Leaves usually imparipinnate, rarely palmate or 1-foliolate; leaflets opposite or subopposite, often silky, entire, usually narrowed at base and widest above middle, often with a prominent marginal nerve. Flowers 2 or more together in leaf axils or at the nodes of pseudoracemes, which are sometimes condensed and appearing subcapitate or subumbellate. Calyx 5-lobed, the upper 2 lobes often ± united. Corolla usually reddish-purple; standard pubescent outside. Upper filament lightly attached to others, less often free; other filaments fused for 2/3 to 4/5 of their length. Ovary pubescent, sessile. Pod linear or oblong, ± flattened, beaked, usually dehiscent. Seeds may be longitudinal (long axis parallel to that of pod), transverse or oblique. Aril almost 0 to well-developed. Worldwide: 400 species in warm regions, mostly Africa and Australia Zimbabwe: 54 taxa. Insects associated with this genus:
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| Species | FZ divisions | Content |
| acaciifolia Welw. ex Baker | N,W,C,E,S | Description, Image |
| aequilata Baker | E | Description, Image |
| caerulea Baker f. subsp. caerulea | N,W | |
| candida DC. | C | |
| cephalantha Welw. ex Baker var. decumbens Welw. ex Baker | N,W,C,S | |
| chimanimaniana Brummitt [NrEnd] [DD] | E | |
| coronilloides Welw. ex Baker | C | |
| dasyphylla Welw. ex Baker subsp. dasyphylla | N,C,E | Description, Image |
| decora Welw. ex Baker | N,C | |
| elata Deflers subsp. elata | N,C | Description, Image |
| elata Deflers subsp. heckmanniana (Harms) Brummitt var. heckmanniana | N,C,E,S | Description, Image |
| elongata E. Mey. var. lasiocaulos Brummitt [End] [DD] | W,E | |
| euchroa I. Verd. | S | |
| euprepes Brummitt | N,W,E | |
| festina Brummitt [End] [DD] | E | Description, Image |
| forbesii Baker subsp. interior Brummitt | S | |
| grandibracteata Merxm. | C,E | |
| lepida Baker f. subsp. lepida | N,C | |
| limpopoensis J.B. Gillett | S | |
| linearis (Willd.) Pers. var. linearis | C,E | |
| linearis (Willd.) Pers. var. discolor (E. Mey.) Brummitt | N,W,C | |
| linearis (Willd.) Pers. [Agg] | N,W,C,E | Description, Image |
| longipes Meisn. var. longipes | N,W,C,E,S | |
| longipes Meisn. var. swynnertonii (Baker f.) Brummitt [NrEnd] | E | |
| longipes Meisn. var. drummondii (Brummitt) Brummitt [NrEnd] [DD] | E | Description, Image |
| longipes Meisn. var. lissocarpa (Brummitt) Brummitt | W | |
| lupinifolia DC. | N,W,C,S | Description, Image |
| lurida Sond. | N,W,C,E | Description, Image |
| meisneri Hutch. & Burtt Davy | E,S | |
| micrantha J.B. Gillett | N,C,E | |
| montana Brummitt [NrEnd] | E | |
| noctiflora Bojer ex Baker | N,W,E,S | Description, Image |
| paniculata Baker | N,C,E | |
| paradoxa Brummitt | N | |
| praecana Brummitt [NrEnd] [VU] | E | |
| pumila (Lam.) Pers. | N,W,C,E,S | |
| purpurea (L.) Pers. subsp. altissima Brummitt | E | |
| purpurea (L.) Pers. subsp. leptostachya (DC.) Brummitt var. pubescens Baker | N,W,C,E,S | Description |
| purpurea (L.) Pers. subsp. leptostachya (DC.) Brummitt | N,W,E,S | Description, Image |
| purpurea (L.) Pers. subsp. leptostachya (DC.) Brummitt var. delagoensis (H.M.L. Forbes) Brummitt | N,S | Description |
| purpurea (L.) Pers. subsp. purpurea | N,C,S | |
| radicans Welw. ex Baker | N,W,C,E,S | Description, Image |
| reptans Baker var. reptans | N,W,C,E,S | |
| rhodesica Baker f. var. rhodesica | N,W,C,E,S | Description, Image |
| rhodesica Baker f. var. evansii (Hutch. & Burtt Davy) Brummitt | S | |
| rhodesica Baker f. var. polystachyoides (Baker f.) Brummitt | N,W,C,E,S | |
| rupicola J.B. Gillett subsp. dreweana Brummitt [End] [DD] | S | Description |
| rupicola J.B. Gillett subsp. rupicola [End] [DD] | C | Description |
| stormsii De Wild. var. stormsii | N,W,E | Description, Image |
| uniflora Pers. subsp. uniflora | N,W,E,S | Description, Image |
| villosa (L.) Pers. subsp. ehrenbergiana (Schweinf.) Brummitt var. ehrenbergiana | N,E,S | Description |
| villosa (L.) Pers. subsp. ehrenbergiana (Schweinf.) Brummitt var. daviesii Brummitt | N,W,S | Description, Image |
| vogelii Hook. f. | C,E | Description, Image |
| zoutpansbergensis Bremek. | S |