1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria alexandri Baker f.

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

    [FZ]

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

    Habit
    Erect annual 5–40 cm tall, developing ascending branches from near the base; stem slender, densely ± spreading pilose.
    Leaves
    Leaves 3-foliolate; leaflets 5–15 × 1–5 mm, linear-oblanceolate to oblong-oblanceolate, acute to rounded and apiculate, almost always pilose on both surfaces; petiole 3–6 mm long; stipules 0.
    Inflorescences
    Racemes up to 1(3) cm long, with most of the flowers clustered in many of the axils below; bracts 2–4 mm long, linear; bracteoles 0.
    Calyx
    Calyx 2.5–5 mm long, densely hairy; lobes narrowly triangular, 2–2.5 times as long as the tube.
    Corolla
    Standard oblong-obovate, pale yellow, marked red at base inside, reddish veined and densely pubescent outside; wings a little shorter than the keel; keel 4.5–6 mm long, angular, with a narrow twisted beak.
    Fruits
    Pod sessile, 4–5 × 3–3.5 mm, shortly oblong-ellipsoid, pilose, 7–12-seeded.
    Seeds
    Seeds 1–1.5 mm across.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian anthropic landscapes., Somalia-Masai anthropic landscapes, Lake Victoria regional mosaic; anthropic landscapes., Somalia-Masai woodland, Lake Victoria regional transition zone; woodland., Zambezian woodland
    Habit
    Annual, Not climbing, Herb
    [FTEA]

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

    Habit
    Erect annual, up to 1–4 dm. tall, developing numerous ascending branches mostly from near the base.
    Stem
    Stem slender, densely rather spreading pilose.
    Leaves
    Leaves 3-foliolate; leaflets linear-oblanceolate to oblanceolate-oblong, up to 8–15 mm. long, 1–5 mm. wide, acute to rounded and apiculate, pilose on both surfaces; petiole up to 4–6 mm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes sessile, dense, less than 1 cm. long, with most of the flowers clustered in many of the axils below; bracts linear, 2–4 mm. long, d= as long as the pedicel; bracteoles not apparent.
    Calyx
    Calyx 3–5 mm. long, with the tube slightly protracted on the lower side, usually rather densely pilose; upper lobes narrowly attenuate-triangular, ± twice as long as the tube.
    Corolla
    Standard obovate-oblong, pale yellow, marked red at the base inside, reddish veined and rather densely pubescent outside; wings a little shorter than the keel; keel bent at right-angles in the lower third, with a narrow straight twisted beak, 4·5–6 mm. long.
    Fruits
    Pod sessile, shortly oblong-ellipsoid, 4–5 mm. long, pilose, 7–10-seeded.
    Seeds
    Seeds oblique-cordiform, ± 1 mm. long, without a prominent aril, smooth, brown.
    Habitat
    Brachystegia woodland, deciduous bushland and secondary scrub, occasionally extended into upland grassland, also persisting on roadsides and cultivated ground; 500–1950 (–2400) m.
    Distribution
    K2 K4 K5 T1 T2 T4 T5 T7 T8 U1 U2

    Images

    Distribution

    Native to:

    Burundi, Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zimbabwe

    Crotalaria alexandri Baker f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1969 Buchanan, J. [62], Malawi K000227253 Unknown type material
    Gilbert, M.G. [9201], Ethiopia K001091370
    Whyte, A. [s.n.], Kenya K000412677

    First published in J. Linn. Soc., Bot. 42: 299 (1914)

    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.
    • 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
    • Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 4: 261 (1953).
    • Bak. f. in Journal of the Linnean Society of London, Botany 42: 299 (1914), as “alexanderi”.
    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