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  1. Family: Fabaceae Lindl.
    1. Genus: Vigna Savi
      1. Vigna parkeri Baker

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

    [FTEA]

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

    Habit
    Perennial climbing or prostrate herb, sometimes forming mats, 0·1–2 m. long; main rootstock rather slender but tough; stems slender, often rooting at the nodes, sparsely to rather densely covered with mostly spreading hairs.
    Leaves
    Leaflets 3, round, ovate or ovate-lanceolate, 1·8–8 cm. long, 0·8–5·4 cm. wide, rounded to acuminate at the apex, rounded to subacute at the base, pubescent on both faces, margins densely ciliate; petiole 1–8·5 cm. long; rhachis 2·5–10(–14) mm. long; petiolules 2(–3·5) mm. long; stipules persistent, lanceolate, 2·5–8 mm. long, prolonged below the point of insertion and bilobed at the base.
    Inflorescences
    Inflorescences axillary, 2–5(–10)-flowered; rhachis 0·5–2·5 cm. long, glandular-nodular; peduncle 2–13 cm. long; pedicels 1–3 mm. long; bracts and bracteoles persistent, lanceolate, 1–2 mm. long.
    Calyx
    Calyx sparsely pubescent; tube 1·5–2 mm. long; lobes deltoid, ovate or lanceolate, 1–1·5 mm. long, the upper pair joined to form a ± rounded lobe.
    Corolla
    Standard blue turning purple-blue or yellow or white, usually paler at the base, oblate, 5–8·5(–12) mm. long, 5–8(–10) mm. wide, glabrous; wings blue, purple at the tips or yellow; keel greenish with purple tip or yellowish, the beak not incurved.
    Fruits
    Pods linear-oblong, compressed, (0·9–)1·3–2(–3) cm. long, 4·5–5·5 mm. wide, pubescent or glabrescent, 2–5-seeded.
    Seeds
    Seeds grey to brown with black mottling, oblong-ovoid, longest dimension 3–4 mm., shorter dimension 2–3 mm., 2 mm. thick; aril mostly well developed, whitish, mostly eccentric, or in some coastal specimens reduced to 2 ridges.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Somalia-Masai grasslands, Lake Victoria regional transition zone; grasslands, Lake Victoria regional mosaic; wooded grassland
    Habit
    Annual/Perennial, Climbing/Not climbing, Herb

    Distribution

    Native to:

    Angola, Burkina, Burundi, Cameroon, Ethiopia, Kenya, Madagascar, Rwanda, Tanzania, Uganda, Zambia, Zaïre

    Introduced into:

    New Guinea, Queensland

    Accepted Infraspecifics

    Other Data

    Vigna parkeri Baker appears in other Kew resources:

    Bibliography

    First published in J. Bot. 20: 69 (1882)

    Accepted by

    • Lepschi, B. & Monro, A. (Project Coordinators) (2014). Australian Plant Census (APC) Council of Heads of Australian Herbaria. http://www.anbg.gov.au/chah/apc/index.html.
    • Du Puy, D.J., Labat, N.-N., Rabevohitra, R., Villiers, J.-F., Bosser, J. & Moat, J. (2002). The Leguminosae of Madagascar: 1-737. Royal Botanic Gardens, Kew.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions

    • Lepschi, B. & Monro, A. (Project Coordinators) (2014). Australian Plant Census (APC) Council of Heads of Australian Herbaria. http://www.anbg.gov.au/chah/apc/index.html.
    • 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.
    • Lock, J.M. & Ford, C.S. (2004). Legumes of Malesia a Check-List: 1-295. Royal Botanic Gardens, Kew.
    • Du Puy, D.J., Labat, N.-N., Rabevohitra, R., Villiers, J.-F., Bosser, J. & Moat, J. (2002). The Leguminosae of Madagascar: 1-737. Royal Botanic Gardens, Kew.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Lebrun, J.p., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.

    Flora of Tropical East Africa

    • Verdc. in Kew Bulletin 24: 529 (1970).
    • Bak. in Journal of Botany 20: 69 (1882).

    International Legume Database and Information Service

    • Du Puy, D. J. et al. (2002). The Leguminosae of Madagascar. RBG Kew.
    • Verdcourt, B. (1979). A Manual of New Guinea Legumes. Office of Forests, Lae, PNG
    • Gillett, J. B. et al. (1971). Papilionoideae. In: Fl. Trop. E. Africa, Milne-Redhead & Polhill

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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