1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria melanocalyx Polhill

        This species is accepted, and its native range is Tanzania.

    [FTEA]

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

    Habit
    Erect annual, up to 4 dm. tall, developing a number of slender curved ascending branches from near the base and ultimately many short practically leafless flowering branches at the top.
    Stem
    Stem slender, appressed pubescent.
    Leaves
    Leaves mostly 3-foliolate, but with the uppermost often 1-foliolate; leaflets linear-oblanceolate to oblanceolate-oblong, up to 8–15 mm. long, 1·5–4 mm. wide, mostly rounded or truncate at the apex, glabrous above, appressed pubescent beneath; petiole up to 3–4 mm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes sessile or shortly pedunculate, subumbelliform, up to 1–2 cm. long, ± 10–20-flowered; bracts linear, 1·5–2 mm. long, shorter than the pedicel; bracteoles inserted on the pedicel, minute.
    Calyx
    Calyx 3·5–4 mm. long, with the tube protracted on the lower side, densely appressed pubescent with dark brown hairs drying black; upper lobes narrowly attenuate-triangular, longer than the tube.
    Corolla
    Standard obovate, yellow, veined dark green and rather densely dark brown pubescent outside; wings ± as long as the keel; keel bent at right-angles in the lower third, with a narrow twisted beak, slightly incurved at the tip, 7–8 mm. long.
    Fruits
    Pod subsessile, ovoid-globose, ± 4–5 mm. long, 3 mm. across, pubescent with dark appressed hairs, 2-seeded.
    Seeds
    Mature seeds unknown.
    Habitat
    Seasonally flooded valley grassland; 1500 m.
    Distribution
    known only from the type-gathering T4
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Insufficiently known
    Ecology
    Africa: Zambezian grassland
    Habit
    Annual, Not climbing, Herb

    Images

    Distribution

    Native to:

    Tanzania

    Crotalaria melanocalyx Polhill appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 1, 1965 Richards, H.M. [16335], Tanzania K000412675 holotype

    First published in Kew Bull. 22: 329 (1968)

    Accepted by

    • 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
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Polhill in Kew Bulletin 22: 329, fig. 36/10–18 (1968).
    International Legume Database and Information Service
    • Polhill, R. M. (1982). A. A. Balkema, Rotterdam 389pp Crotalaria in Africa & Madagasca

    Sources

    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