1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria annua Milne-Redh.

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

    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    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 rather bushy annual or short-lived perennial, up to 7–15 dm. tall, with many ascending branches.
    Stem
    Stem densely covered with generally long fine spreading whitish hairs.
    Leaves
    Leaves mostly well spaced, 3-foliolate; leaflets oblanceolate to obovate-elliptic, up to 12–20 mm. long, 3–8 mm. wide, acute to rounded at the apex, narrowed to the base, thinly pilose above, more densely so beneath; petiole ± 4–10 mm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes terminal, subsessile, up to 15 cm. long, with numerous rather closely arranged flowers and others clustered in the axils below; bracts linear, 2–3(–5) mm. long, ± as long as the pedicel, or more generally shorter; bracteoles inserted on the lower part of the pedicel, small.
    Calyx
    Calyx 6–7 mm. long, with the tube slightly protracted on the lower side, pilose; upper lobes triangular-subulate, 2–3 times as long as the tube.
    Corolla
    Standard elliptic-obovate, yellow, veined reddish or purple, puberulous medially and apically outside; wings shorter than the keel; keel bent at right-angles in the lower third, with a narrow slightly incurved twisted beak, 9–12(–13) mm. long.
    Fruits
    Pod subsessile, shortly ellipsoid-oblong, 7–9 mm. long, 4–6 mm. across, pubescent, 8–16-seeded.
    Seeds
    Seeds oblique-cordiform, ± 2 mm. long, smooth, brown.
    Habitat
    Thicket edges, probably also in Brachystegia woodland; 1740 m.
    Distribution
    T4
    [FZ]

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

    Habit
    Erect annual, (0.3)0.5–1.8 m tall, with rather stiffly ascending branches above; stem densely spreading pilose.
    Leaves
    Leaves 3-foliolate; leaflets 8–20 × 3–8 mm, oblanceolate to elliptic-obovate, pilose on both surfaces; petiole 4–15 mm long; stipules 0.
    Inflorescences
    Racemes mostly 5–16 cm long, laxly to densely 12–40-flowered, sometimes with a few flowers in the axils below; bracts 2–3(4) mm long, linear-subulate; bracteoles on the pedicel, setaceous.
    Calyx
    Calyx 6–7 m long, densely pilose; upper lobes narrowly attenuate-triangular, 3–4 times as long as the tube.
    Corolla
    Standard elliptic, yellow lined red, apically pubescent outside; wings shorter than the keel; keel 1–1.2 cm long, angular, with a narrow twisted beak slightly incurved at the tip.
    Fruits
    Pods sessile, obliquely but sub-basally inserted, 7–8 × 5–6 mm, ± ovoid-ellipsoid, subappressed pubescent, 8–16-seeded.
    Seeds
    Seeds 1.5–2.2 mm long, rounded-cordiform, smooth.

    Images

    Distribution

    Native to:

    Angola, Malawi, Tanzania, Zambia, Zaïre

    Crotalaria annua Milne-Redh. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Milne-Redhead, E. [422], Zambia K000227400 Unknown type material
    Milne-Redhead, E. [422], Zambia K000227399 Unknown type material
    Bidgood, S. [5757], Tanzania K000468667

    First published in Hooker's Icon. Pl. 33: t. 3243 (1934)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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
    • Milne-Redh. in Hook., Ic. PL 33, t. 3243 (1934).
    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