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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

Morphology General Habit
Annual or perennial trailing or entirely prostrate herb, up to 1.8 m long, or sometimes suberect and short, c. 15 cm tall.
Morphology Stem
Stem densely covered with spreading yellowish or dark brown bristly hairs.
Morphology Leaves 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.
Morphology Reproductive morphology Inflorescences
Peduncle 4–25 cm × 0.5–1 mm, pubescent; rhachis 1–2-noded, internodes 1–2 mm long.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Flowers 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.
Morphology Reproductive morphology Flowers Corolla
Standard with 2 parallel widely spaced appendages; keel without a beak or pocket, not twisted or slightly twisted towards the left.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 5–9-ovuled.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology 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
Morphology General Habit
Annual/Perennial, Not climbing, Herb

Native to:

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

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

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

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 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