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This species is accepted, and its native range is Zimbabwe to Angola.

[ILDIS]

International Legume Database and Information Service

Ecology
Africa: Zambezian grassland
Habit
Perennial, Climbing, Herb

[FZ]

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

Habit
Perennial herb with rootstock.
Stem
Stem glabrous, although young stems display a short pubescence.
Leaflets
Leaflets 3, 3–4 × 0.5–2 cm, oblong-lanceolate, acute and mucronulate at the apex, rounded at the base, sparsely pubescent, especially on the upper surface; petiole 1–4 cm long; rhachis 0.3–1 cm long; stipules 3–4 × 1–1.5 mm, lanceolate, not produced beyond the base or slightly bilobed at the base, multinerved.
Inflorescences
Peduncle 3–10 cm × 0.7–1.5 mm, 3-winged, glabrous; rhachis 2–4 cm long, 12–20-noded, internodes 1–3 mm long.
Flowers
Flower 10–17 mm long; pedicel 1.5–4 mm long, expanding as the pod matures; bracteoles 1–2 × 0.8–1 mm, 1-nerved.
Calyx
Calyx glabrous; tube 2–3 mm long; lobes 1.5–3 mm long, the lower twice as long as the laterals, the upper pair joined into an obtuse and acuminate lip.
Corolla
Standard with two weak central appendages; keel with a short beak 2–3 mm long, slightly twisted towards the left or not twisted.
Anthers
Alternate anthers with a pair of glands at their base.
Pollen
Pollen exine not reticulate.
Pistil
Ovary 12–14-ovuled; style tip almost not beaked.
Fruits
Pod 5–6.5 cm × 3–5 mm, linear-cylindrical, glabrous, with a slightly curved beak.
Seeds
Seed 2–4 × 1.5–2 mm; hilum central, 0.8 mm long; without an aril.

Native to:

Angola, Zimbabwe

Vigna nyangensis Mithen appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Oct 5, 2001 Corby, H.D.L. [1089], Zimbabwe K000070732
Oct 5, 2001 Pawek, Jean [6729], Malawi K000070734
Oct 5, 2001 Pawek, Jean [11261], Malawi K000070735
Oct 5, 2001 Mithen [137], Zimbabwe K000070730 isotype
Oct 5, 2001 Mithen [137], Zimbabwe K000070731 isotype
Oct 5, 2001 Corby, H. D. L. [1262], Zimbabwe K000070733
Oct 5, 2001 Phillips, Eleanor [4098], Malawi K000070736

First published in Kew Bull. 44: 175 (1989)

Accepted by

  • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • 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

  • Mithen, R. & Kibblewhite, H. (1989). Kew Bull. 44:175-177. New sp. Vigna from southern Africa

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