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  1. Family: Fabaceae Lindl.
    1. Genus: Vigna Savi
      1. Vigna radicans Welw. ex Baker

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

    [FZ]

    Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

    Habit
    Annual or perennial trailing or entirely prostrate herb, up to 1.8 m long, or sometimes suberect and short, c. 15 cm tall.
    Stem
    Stem densely covered with spreading yellowish or dark brown bristly hairs.
    Leaflets
    Leaflets 3, even on the first nodes, 3–10 × 1–7 cm, ovate to lanceolate in outline, entire to 3-lobed or pinnatifid (lobes up to 9, the basal ones sometimes bifid at the apex), subacute and mucronulate at the apex, rounded to cuneate at the base, appressed bristly pubescent on both surfaces; tertiary venation closely parallel and at right-angles to the midrib; petioles 2–26 cm long; rhachis 0.5–3 cm long; stipules 4–10 × 1.5–3 mm, lanceolate, multinerved, prolonged and subcordate at the base.
    Inflorescences
    Peduncle 4–25 cm × 0.5–1 mm, pubescent; rhachis 1–2-noded, internodes 1–2 mm long.
    Flowers
    Flower mauve to purple, 11–18 × 13–20 mm; pedicel c. 1 mm long, not expanding as the pod matures; bracteoles 1.5–6 mm long, linear-lanceolate, usually 1-nerved, rarely multinerved.
    Calyx
    Calyx densely covered with white or brown bristly hairs; tube 3–4 mm long; lobes 5–9 mm long, linear-lanceolate, subequal, the upper pair joined for two-thirds of their length.
    Corolla
    Standard with 2 parallel widely spaced appendages; keel without a beak or pocket, not twisted or slightly twisted towards the left.
    Ovary
    Ovary 5–9-ovuled.
    Fruits
    Pods erect, 4–5 cm × 4–5 mm, linear-cylindrical, sparsely covered with appressed white or dark brown bristly hairs, with a curved beak.
    Seeds
    Seed 3.5–6.5 × 2.5–3.5 × 2–5 mm; rim aril developed as two parallel lines.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Sudanian woodland, Zambezian woodland, Zambezian grassland
    Habit
    Annual/Perennial, Not climbing, Herb

    Images

    Distribution

    Native to:

    Angola, Burundi, Central African Repu, Kenya, Malawi, Nigeria, Tanzania, Zambia, Zaïre, Zimbabwe

    Synonyms

    Other Data

    Vigna radicans Welw. ex Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bidgood, S. [6029], Tanzania K000468396
    Welwitsch [2254], Angola K000263449 Unknown type material
    Kassner [2712], Congo Vigna kaessneri K000263424 Unknown type material

    Bibliography

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 2: 198 (1871)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.

    International Legume Database and Information Service

    • Gillett, J. B. et al. (1971). Papilionoideae. In: Fl. Trop. E. Africa, Milne-Redhead & Polhill

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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 2020. 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 2020. 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