Taxonomy of and Related Species

Taxonomy of cowpea (Vigna unquiculata (L.) Walp).

Rank Classification Common Name
Kingdom Plantae plants
clade Angiosperms flowering plants
clade Eudicots true dicotyledons
clade Rosids (subclass Rosidae) nitrogen-fixing
Order Fabales cosmopolitan
Family Fabaceae legumes, peas, beans, or pulses
Genus Vigna peas or beans
Species unguiculata (L.) Walp. cowpea
Synonym Vigna sinensis  

Vigna unquiculata (L.) Walp. subspecies

Scientific name Type
unguiculata cultivated cowpea
stenophylla (Harv.) Marechal et al. wild relative
dekindtiana (Harms) Verdc. wild relative
tenuis (E.Mey.) Marechal et al. wild relative
pubescens (R.Wilczek) Pasquet wild relative

Vigna unguiculata (L.) Walp. ssp. unguiculata cultivated groups

Group Common Name Center of domestication
Unguiculata cowpea, crowder-pea, southern pea, blackeyed pea, etc West Africa
Biflora (or subsp. cylindrica (L.) Verdc.) catjang, sow-pea India
Sesquipedalis yardlong bean, asparagus bean, Chinese long-bean, pea-bean south-east Asia
Testilis   West Africa


  • Perrino, P., G. Laghetti, P. L. Spagnoletti Zeuli, and L. M. Monti. 1993. Diversification of cowpea in the Mediterranean and other centres of cultivation. Genetic Resources and Crop Evolution 40, no. 3: 121-132.

See Also

-- DavidVerbree - 2011-02-18

Topic revision: r7 - 2011-03-29 - 23:04:23 - DavidVerbree
This site is powered by the TWiki collaboration platformCopyright & by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback