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

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

    [FTEA]

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

    Habit
    Erect laxly branched annual, up to 9 dm. tall.
    Stem
    Stem slender, appressed puberulous.
    Leaves
    Leaves 1-foliolate; leaflets linear-oblanceolate to oblong -oblanceolate, up to 12–40 mm. long and 1–7 mm. wide, acute to rounded at the apex, glabrous above, appressed puberulous beneath; petiole ± 1–3(–4) mm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes lax, up to 8–20 cm. long, many-flowered, often with a few other flowers clustered in the axils below; bracts shortly linear-lanceolate, ± 0·5–1·5 mm. long; bracteoles absent.
    Calyx
    Calyx 3–4 mm. long, with the tube protracted on the lower side, appressed puberulous with hairs generally dark-coloured at the base; upper lobes narrowly attenuate-triangular, much longer than the tube.
    Corolla
    Standard elliptic-obovate, pale yellow with 2 reddish marks at the base inside and reddish veined outside, puberulous apically outside; wings shorter than the keel; keel bent at right-angles in the lower third, with a narrow twisted beak, slightly incurved at the tip, 4–5 mm. long.
    Fruits
    Pod sessile, subglobose-ovoid, 3–4 mm. long, appressed puberulous, 2-seeded.
    Seeds
    Seeds orbicular-cordiform, ± 2 mm. long, with a small aril, smooth, brown or purplish tinged.
    Habitat
    Brachystegia woodland, also persisting as a weed of cultivated ground; 800–1800 m.
    Distribution
    T4 T7 T8
    [FZ]

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

    Habit
    Erect laxly branching annual 0.2–1 m tall; stem slender, appressed puberulous.
    Leaves
    Leaves 1-foliolate; leaflets 10–45 × 1–8 mm, linear-oblanceolate above to oblong-elliptic below, upper ones acute, appressed puberulous beneath; petiole 1–3(4) mm long; stipules 0.
    Inflorescences
    Racemes 5–25 cm long, laxly many-flowered, with a few other flowers developing in the axils below; bracts 0.5–1.5 mm long, linear to shortly linear-lanceolate; pedicel 2–3(5) mm long, without bracteoles.
    Calyx
    Calyx 2.5–3.5 mm long, appressed puberulous with generally brown-based hairs; upper lobes attenuately triangular-lanceolate, 2–2.5 times as long as the tube.
    Corolla
    Standard elliptic-obovate, pale yellow, with reddish lines and medially puberulous outside, and with red fringed basal patches inside; wings shorter than the keel; keel 4–5 mm long, angular, with a narrow twisted slightly incurved beak.
    Fruits
    Pod sessile, 3–3.5 × 3 mm, ovoid-globose, puberulous, 2-seeded.
    Seeds
    Seeds 2–2.7 mm long, oblique-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

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania, Zambia, Zaïre

    Crotalaria ringoetii Baker f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bidgood, S. [5651], Tanzania K000468773

    First published in É.A.J.De Wildeman, Pl. Bequaert. 2: 509 (1924)

    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
    • Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 4: 78 (1953).
    • Bak. f., Leguminosae of Tropical Africa: 26 (1926).
    • Bak. f. in De Wild., Pl. Bequaert. 2: 509 (1924).
    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.

    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