1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria polysperma Kotschy

        This species is accepted, and its native range is Eritrea to S. Tropical Africa.

    [FZ]

    Leguminosae, various authors. Flora Zambesiaca 3:7. 2003

    Habit
    Erect well-branched annual, 30–120 cm tall, with branches densely covered usually by both appressed and longer spreading hairs (sometimes all spreading).
    Leaves
    Leaves all 3-foliolate; leaflets 3–7 × 1.5–3.5 cm, elliptic, pointed, pilose at least beneath; petioles shorter to longer than leaflets; stipules 8–16 mm long, linear-caudate or filiform.
    Inflorescences
    Racemes lax, mostly 12–20-flowered; bracts filiform, 4–10 mm long; bracteoles curved-ascending from just below calyx, 3.5–10 mm long, linear-lanceolate.
    Calyx
    Calyx accrescent, 1.4–2(2.4) cm long, hairy; upper lobes lanceolate, c. 3 times as long as the tube.
    Corolla
    Standard subcircular, blue, pubescent outside; wings oblong, as long as the keel; keel 1.6–1.8 cm long, bent at right-angles in lower half, with a well developed practically straight beak, densely lanate-pilose on the upper edge.
    Fruits
    Pod (3.5)4–5 cm long, broadly oblong-clavate, shortly stipitate, pilose.
    Seeds
    Seeds c. 3.5 mm long, oblique-cordiform, slightly rugulose, pale brown, mottled darker.
    [FTEA]

    Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

    Habit
    Erect well-branched annual, up to 3–10 dm. tall.
    Stem
    Stem densely pubescent with two types of hairs—mostly subappressed, slightly crisped, with other long fine and spreading ones between—or less commonly all straight and spreading; hairs slightly or conspicuously swollen at the base.
    Leaves
    Leaves 3-foliolate; leaflets narrowly to broadly elliptic, up to 3·5–5·5 cm. long, 2–3·6 cm. wide, glabrous to sparsely pilose above, pilose beneath; petiole up to 4–7 cm. long.
    Stipules
    Stipules filiform, up to 11–16 mm. long.
    Inflorescences
    Racemes lax, up to 15–35 cm. long, ± 12–20-flowered; bracts filiform, 4–10 mm. long; bracteoles curved-ascending from just below the calyx, linear-lanceolate, up to 3·5–10 mm. long.
    Calyx
    Calyx accrescent, 14–20(–24) mm. long, pilose on the tube, appressed pubescent or pilose on the lobes; upper lobes lanceolate, ± 3 times as long as the tube.
    Corolla
    Standard suborbicular, blue, pubescent outside; wings oblong, as long as the keel, blue along the upper margin; keel bent at right-angles in the lower half, with a well-developed practically straight untwisted beak, 16–18 mm. long, densely lanate-pubescent along the upper margin, with the hairs sometimes extending on to the lateral surfaces.
    Fruits
    Pod shortly stipitate, broadly oblong-clavate, (35–)40–45 mm. long, 14–20 mm. in dorsi-ventral diameter, pilose, ± 70–100-seeded.
    Seeds
    Seeds oblique-cordiform, up to 3·5 mm. long, slightly rugulose, with the low irregularly raised areas in concentric rows near the margin, radial towards the hilum, pale brown, mottled darker.
    Habitat
    Deciduous woodland and bushland, grassland of dry and seasonally inundated places, also persisting on roadsides and cultivated ground; 0–1800 m.
    Distribution
    K1 K2 K3 K4 K6 K7 T1 T2 T3 T4 T5 T6 T7 U1
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Somalia-Masai grasslands, Sudanian bushland and thicket, Somalia-Masai bushland and thicket, Sudanian grasslands
    Habit
    Annual, Not climbing, Herb

    Images

    Distribution

    Native to:

    Eritrea, Ethiopia, Kenya, Malawi, Mozambique, Sudan, Tanzania, Uganda, Zambia, Zimbabwe

    Crotalaria polysperma Kotschy appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 1964 Stewart [s.n.], Mozambique K000227443 Unknown type material
    Kenya 3222.000
    Stewart [s.n.], Mozambique K000227444 Unknown type material
    Speke [s.n.] K000412836 Unknown type material

    First published in Reliq. Kotschy.: 18 (1868)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Pope, G.V., Polhill, R.N. & Martins, E.S. (eds.) (2003). Flora Zambesiaca 3(7): 1-274. Royal Botanic Gardens, Kew.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Pope, G.V., Polhill, R.N. & Martins, E.S. (eds.) (2003). Flora Zambesiaca 3(7): 1-274. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 2: 186 (1952).
    • Bak. f. in Journal of the Linnean Society of London, Botany 42: 321 (1914), pro parte excl. specim. Whyte.
    • Bak. in Flora of Tropical Africa 2: 42 (1871).
    • Kotschy in Schweinf., Reliq. Kotschy.: 18, t. 14 (1868).
    International Legume Database and Information Service
    • Polhill, R. M. (1982). A. A. Balkema, Rotterdam 389pp Crotalaria in Africa & Madagasca

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    International Legume Database and Information Service
    International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    http://creativecommons.org/licenses/by/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0