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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.

Native to:

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

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

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

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 2021. 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 2021. 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