1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria laxiflora Baker

        This species is accepted, and its native range is S. Tanzania to NE. Zambia.

    [FZ]

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

    Habit
    Slender erect branching herb 25–70 cm tall, glabrous.
    Leaves
    Leaves 3-foliolate; leaflets 7–20 × 1–2.5 mm, obcuneiform to linear-oblanceolate; petiole 2–10 mm long; stipules 0.
    Inflorescences
    Racemes 2–10 cm long, laxly 4–16-flowered; bracts 0.5–1(1.5) mm long, shortly linear-lanceolate; bracteoles 0.
    Calyx
    Calyx 3.5–5 mm long; upper lobes attenuate-triangular, 2–3 times as long as the tube.
    Corolla
    Standard elliptic, pale yellow lined brown; wings much shorter than the keel; keel 7–9 mm long, angular, with a long narrow twisted beak.
    Fruits
    Pod subsessile, 5–6 × 4–4.5 mm, ovoid-globose, 1–2-seeded.
    Seeds
    Seeds 2.5–3 mm across, rounded-cordiform, smooth, with a small aril.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Insufficiently known
    Ecology
    Africa: 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 much-branched diffuse annual, up to 7 dm. tall.
    Stem
    Stem slender, glabrous.
    Leaves
    Leaves 3-foliolate; leaflets obcuneiform to linear-oblanceolate, up to 10–22 mm. long and 1·5–2·5 mm. wide, subacute to generally truncate at the apex, long-cuneate, glabrous; petiole ± 5–9 mm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes pedunculate, lax, up to 4–10 cm. long, with generally numerous flowers on the slender rhachis; bracts shortly linear-lanceolate, less than 1 mm. long; bracteoles absent.
    Calyx
    Calyx 3·5–5 mm. long, with the tube protracted on the lower side, glabrous; upper lobes attenuate-triangular, much longer than the tube.
    Corolla
    Standard elliptic, pale yellow, veined orange or brown outside, glabrous; wings markedly shorter than the keel; keel bent at right-angles in the lower quarter, with a long very narrow twisted beak slightly incurved at the tip, 7–8 mm. long.
    Fruits
    Pod practically sessile, sub-globose-ovoid, shortly pointed, 5–6 mm. long, glabrous, 1–2-seeded.
    Seeds
    Seeds suborbicular-cordiform, up to 3 mm. across, without a prominent aril, smooth, brown.
    Habitat
    Brachystegia woodland; 1500 m.
    Distribution
    T4

    Images

    Distribution

    Native to:

    Tanzania, Zambia

    Crotalaria laxiflora Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Carson, A. [28], Zambia K000227428 Unknown type material

    First published in Bull. Misc. Inform. Kew 1895: 64 (1895)

    Accepted by

    • 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
    • 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
    • Bak. f. in Journal of the Linnean Society of London, Botany 42: 296 (1914).
    • Bak. in Bulletin of Miscellaneous Information, Kew 1895: 64 (1895).
    • Taub. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C : 423 (1895).
    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