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  1. Family: Fabaceae Lindl.
    1. Genus: Vigna Savi
      1. Vigna triphylla (R.Wilczek) Verdc.

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

    [FZ]

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

    Habit
    Perennial prostrate, trailing or twining herb, 0.6–1.8 m long.
    Stem
    Stem glabrous, usually ± winged.
    Leaflets
    Leaflets 3, 3–7 × 0.5–3 cm, linear-oblong, oblong-lanceolate or ovate, acute to rounded and mucronulate at the apex, rounded to slightly subcordate at the base, sometimes slightly subhastate, glabrous or nearly so; secondary veins leaving midrib almost at a right-angle; petiole 1.2–3 cm long; rhachis 0.3–0.6 cm long; stipules 3–6 × c. 2 mm, lanceolate, often reflexed, truncate or very slightly bilobed at the base, multinerved.
    Inflorescences
    Peduncle 5–9 cm × 0.5–1.8 mm, 3-winged (mainly in the lowest part), glabrous to puberulous; rhachis 3–25 mm long, 3–12-noded, longest internode 2 mm long.
    Flowers
    Flower yellow, tinged with mauve, 10–13 × 12–14 mm; pedicels 0.5–2 mm long, not expanding as the pod matures; bracteoles 1.5–2 mm long, ovate-lanceolate, 1-nerved.
    Calyx
    Calyx glabrescent; tube 1.5–2 mm long; lobes 1–2.5 mm long, ciliolate, lower lobe slightly longer, upper lobes united into an emarginate lip.
    Corolla
    Standard with two central appendages; keel with a short beak up to 2 mm long, slightly twisted towards the left.
    Anthers
    Alternate anthers with a pair of glands at their base.
    Pollen
    Pollen exine not reticulate.
    Pistil
    Ovary 13–18-ovuled; style tip almost not beaked.
    Fruits
    Pod 4–5 cm × 3–4 mm, linear, cylindrical, with a curved beak.
    Seeds
    Seed small, 1.5–2.5 mm in diameter, subglobose to cubic, white when fresh, cream-coloured later; hilum central, without an aril.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian grassland, Sudanian grasslands
    Habit
    Climbing, Herb
    [FTEA]

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

    Habit
    Prostrate herb, 0·6–1·8 m. long.
    Stem
    Stems glabrous, usually ±winged.
    Leaves
    Leaflets 3, linear-oblong, oblong-lanceolate or ovate, 2·8–5·5(–7) cm. long, 0·3–2·2(–3) cm. wide, acute to rounded and mucronulate at the apex, rounded to slightly subcordate at the base, sometimes slightly subhastate, glabrous or nearly so; secondary veins leaving midrib almost at a right-angle; petiole 1–2·3 cm. long; rhachis 3–6 mm. long; petiolules 0·5–2 mm. long; stipules persistent, lanceolate, 3–6 mm. long, often reflexed.
    Inflorescences
    Racemes with rhachis 0·3–2 cm. long; peduncle (1·5–)7–9 cm. long, prominently winged below, puberulous above; pedicels 0·5–2 mm. long; bracts and bracteoles ovate-lanceolate, ±1·5 mm. long.
    Calyx
    Calyx glabrescent; tube ±1·5–2 mm. long; lobes triangular, 1–2·5 mm. long, ciliolate.
    Corolla
    Standard yellow or purple, oblate, 0·9–1·3 cm. long, 1·2–1·4 cm. wide, glabrous; keel greenish.
    Anthers
    Alternate anthers with a pair of glands at their base.
    Fruits
    Young pod 2·5–4·5 cm. long, 1·5–2 mm. wide, covered with minute yellowish glandular hairs and also some longer sparse whitish hairs along the suture.
    Seeds
    Seeds not known.
    Habitat
    Grassy places; ±1500m.
    Distribution
    K3/K5
    [FWTA]

    Papilionaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

    Habit
    A glabrous, twining, annual herb, with angular stems 4–6 ft. long
    Flowers
    Flowers mauve or yellow
    Ecology
    Usually amongst grasses.

    Distribution

    Native to:

    Angola, Benin, Cameroon, Central African Repu, Chad, Eritrea, Ethiopia, Kenya, Nigeria, Senegal, Tanzania, Zambia, Zaïre

    Synonyms

    Other Data

    Vigna triphylla (R.Wilczek) Verdc. appears in other Kew resources:

    Bibliography

    First published in Kew Bull. 24: 566 (1970)

    Accepted by

    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions

    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

    Flora of Tropical East Africa

    • Verdc. in K. B. 24: 566 (1970).

    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

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/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