Vigna oblongifolia A. Rich.
var. oblongifolia

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Photo: Nicholas Wightman
Shimabala area, Kafue Distr., Lusaka Province

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Synonyms:	Dolichos dillonii Delile Vigna hygrophila Harms Vigna lancifolia A.Rich. Vigna wilmsii Burtt Davy
Common names:
Frequency:
Status:	Native
Description:	Prostrate or climbing annual up to 4.8 m long; stems slender, covered with appressed spreading or reflexed ± bristly hairs; Leaflets 3, 3–12 × 0.2–2.5 cm, rounded to acute and mucronulate at the apex, cuneate or rounded at the base, sparsely appressed pubescent on both surfaces; inflorescences with peduncles 7–35 cm; flowers yellow; calyx pubescent; tube 1–2.5 mm long; lobes 1–2.5 mm long, the upper pair joined to form an apiculate lip, lower lobe twice as long as the others; standard with two central appendages; keel with a short beak, slightly twisted towards the right; pod 2.5–7 cm × 2.5–4.5 mm, slightly compressed, curved or almost straight, slightly constricted between the seeds, covered with appressed, usually mixed pale ferruginous and white bristly hairs, with a short curved beak; Seed 2–4.5 × 2–3.2 × 1–2.2 mm.
Notes:
Derivation of specific name:	oblongifolia: with oblong-shaped leaves
Habitat:
Flowering time:
Worldwide distribution:	Widespread in tropical Africa to northern South Africa
Growth form(s):	Annual.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 171. Mackinder, B. et al. (2001). Papilionoideae Flora Zambesiaca 3(5) Pages 127 - 128. Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 52. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 74. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 214.

Other sources of information about Vigna oblongifolia var. oblongifolia:

Our websites:

Flora of Botswana: Vigna oblongifolia var. oblongifolia
Flora of Malawi: Vigna oblongifolia var. oblongifolia
Flora of Zambia: Vigna oblongifolia var. oblongifolia
Flora of Zimbabwe: Vigna oblongifolia var. oblongifolia

External websites:

African Plants: A Photo Guide (Senckenberg): Vigna oblongifolia
African Plant Database: Vigna oblongifolia
BHL (Biodiversity Heritage Library): Vigna oblongifolia
EOL (Encyclopedia of Life): Vigna oblongifolia
GBIF (Global Biodiversity Information Facility): Vigna oblongifolia
Google: Web - Images - Scholar
iNaturalist: Vigna oblongifolia
IPNI (International Plant Names Index): Vigna oblongifolia
JSTOR Plant Science: Vigna oblongifolia
Mansfeld World Database of Agricultural and Horticultural Crops: Vigna oblongifolia
Plants of the World Online: Vigna oblongifolia
Tropicos: Vigna oblongifolia
Wikipedia: Vigna oblongifolia