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

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

    [FTEA]

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

    Habit
    Short-lived perennial herb, 9–12 dm. tall, with a single stem, woody at the very base, laxly branched above, glabrous.
    Leaves
    Leaves 3–foliolate; leaflets elliptic-lanceolate above, up to 7 cm. long and 2·4 cm. wide, and broadly elliptic below, up to 12·5 cm. long and 5·5 cm. wide, usually slightly acuminate, acute or bluntly pointed; petiole 3–10 cm. long.
    Stipules
    Stipules absent.
    Inflorescences
    Racemes lax, up to 24 cm. long, with ± 4–12 flowers on the slender rhachis; bracts filiform or subulate, up to 2–3·5 mm. long, rather persistent; bracteoles inserted on the pedicel, up to 1 mm. long.
    Calyx
    Calyx 15–16 mm. long, basally narrowed into a prominent receptacle; upper lobes free in the mature flowers, narrowly attenuate-triangular, ± twice as long as the tube.
    Corolla
    Standard ovate, yellow, flushed with purple; wings a little over half as long as the keel; keel strongly rounded about the middle, with a well-developed truncate upwardly directed untwisted beak, 25–27 mm. long, speckled dull purple.
    Fruits
    Pod narrowly cylindrical, parallel-sided, rather abruptly contracted into the 8–9 mm. long stipe, 56–58 mm. long, 9 mm. across, conspicuously transverse-veined, ± 16–18–seeded.
    Seeds
    Seeds unknown.
    Habitat
    Brachystegia woodland, in moister shaded places; 850 m.
    Distribution
    not known elsewhere T8
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Insufficiently known
    Ecology
    Africa: Zambezian woodland
    Habit
    Perennial, Not climbing, Herb

    Images

    Distribution

    Native to:

    Tanzania

    Crotalaria perlaxa Polhill appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1969 Milne-Redhead, E. [10682], Tanzania K000412761 holotype
    Jul 1, 1969 Milne-Redhead, E. [10682], Tanzania K000412762 holotype
    Milne-Redhead, E. [10682], Tanzania K000412759
    Milne-Redhead, E. [10682], Tanzania K000412760

    First published in Kew Bull. 25: 275 (1971)

    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 25: 275, fig. 1 (1971).
    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