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  1. Family: Fabaceae Lindl.
    1. Genus: Vigna Savi
      1. Vigna heterophylla A.Rich.

        This species is accepted, and its native range is Cameroon to Eritrea and S. Tropical Africa, SW. Arabian Peninsula.

    [FZ]

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

    Habit
    Annual or perennial climbing, or rarely suberect, herb, 0.9–7 m long.
    Stem
    Stem pubescent, covered with spreading often dark ferruginous hairs 0.5–2 mm long.
    Leaflets
    Leaflets 3, 4.5–15 × 1–5 cm, oblong or ovate-lanceolate or ovate-oblong to linear-lanceolate, narrowly rounded to acuminate and apiculate at the apex, rounded or subcordate at the base, sparsely to densely pubescent on both surfaces; petiole 4–6 cm long; rhachis 0.7–1.5 cm long; stipules 2–4 × 1–1.5 mm, ovate-lanceolate, bilobed at the base, multinerved.
    Inflorescences
    Peduncle 5–15 cm × 0.5–1.5 mm, pubescent; rhachis 0.7–2 cm long, 4–6-noded, internodes 1–4 mm long.
    Flowers
    Flower blue to mauve and violet, 11–14 × 12–15 mm; pedicel 1–4 mm long, expanding as the pod matures; bracteoles 1.5–5 mm long, ovate-lanceolate, multinerved, rarely 1- or 3-nerved.
    Calyx
    Calyx pubescent; tube 1.5–2.5 mm long; lobes 1–4 mm long, deltate, the lower as long as the laterals, the upper pair united to form an entire or slightly bifid lobe.
    Corolla
    Standard pubescent or velvety outside with appressed hairs, with two U-shaped appendages inside; keel slightly twisted towards the right, with a short beak.
    Ovary
    Ovary 6–10-ovuled.
    Fruits
    Pod 3.5–4.5 cm × 4–5 mm, linear-cylindrical, S-shaped, slightly pubescent to densely covered with spreading, dark ferruginous bristly hairs, with a short curved beak.
    Seeds
    Seed 4–5.5 × 2–3.5 × c. 2 mm; hilum excentric; aril very excentric.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Guinea-Congolia/Sudania regional transition zone; grasslands., Lake Victoria regional transition zone; grasslands, Lake Victoria regional mosaic; bushland and thicket, Guinea-Congolia/Zambezia regional transition zone: bushland and thicket.
    Habit
    Annual, Climbing/Not climbing, Herb
    [FTEA]

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

    Habit
    Annual or perennial climbing, scrambling or sometimes even suberect herb, ± 1 m. long.
    Stem
    Stems covered with spreading, often dark ferruginous hairs.
    Leaves
    Leaflets 3, ovate to narrowly oblong-lanceolate or lanceolate, 1·7–8·5 cm. long, 0·5–3·3 cm. wide, narrowly rounded to acute and acuminate at the apex, rounded at the base, pubescent on both surfaces; petiole 1–6 cm. long; rhachis 0·4–1·3 cm. long; petiolules 2–3 mm. long; stipules ovate-lanceolate, 3–4 mm. long, bilobed at the base.
    Inflorescences
    Inflorescences axillary; rhachis 0·7–2 cm. long; peduncles 1–10 cm. long; pedicels 1–4 mm. long; bracteoles sub-persistent, lanceolate, 3 mm. long, slightly produced below the point of attachment.
    Calyx
    Calyx pubescent with mostly dark ferruginous spreading bristly hairs; tube 2–2·5 mm. long; lobes narrowly triangular-lanceolate, 3–4 mm. long, the upper pair united into a slightly bifid lip.
    Corolla
    Standard blue or violet, sometimes tinged green outside, rounded, 1·1 cm. long, 1·2 cm. wide, adpressed velvety outside; wings deep mauve; keel almost white.
    Fruits
    Pods linear, compressed, 1·5–4·3 cm. long, 4·5–6 mm. wide, densely covered with spreading, dark ferruginous bristly hairs, particularly noticeable when young.
    Seeds
    Seeds stone-grey to dark reddish-brown, with black mottling, longest dimension 4 mm., shorter dimension 2·5–3 mm., 2 mm. thick; aril very eccentric, usually shorter and more cordate than in the next species.
    Habitat
    Grassland, also a weed in wheat fields; 1680–2010 m.
    Distribution
    K3 T7 U1

    Images

    Distribution

    Native to:

    Angola, Cameroon, Chad, Eritrea, Ethiopia, Kenya, Malawi, Rwanda, Sudan, Tanzania, Uganda, Yemen, Zambia, Zaïre

    Synonyms

    Other Data

    Vigna heterophylla A.Rich. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 1, 2010 Biye, E. [97], Cameroon K000746559
    Schimper [464], Ethiopia K000263419
    Schimper [465], Ethiopia K000263420
    Petit [s.n.], Ethiopia K000263416
    Petit [s.n.], Ethiopia K000263417
    Schimper, M.W. [243], Ethiopia K000263418 Unknown type material

    Bibliography

    First published in Tent. Fl. Abyss. 1: 218 (1847)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. 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.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.

    Literature

    Kew Backbone Distributions

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
    • 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.
    • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. 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.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.

    Flora of Tropical East Africa

    • Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 6: 377 (1954).
    • Bak. f., Leguminosae of Tropical Africa: 410 (1929).
    • Bak. in E.T.A. 2: 197 (1871).
    • A. Rich., Tent. Fl. Abyss. 1: 218 (1847).

    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

    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