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Fabaceae-Faboideae  family

Vigna unguiculata (Linnaeus) Walpers, Repert. Bot. Syst. 1(5): 779.  1843.
Bas.: Dolichos unguiculatus Linnaeus (1753).

Naturalized quite rare vine of disturbed semi-open dry and moist areas.
Bean shape and length variable.
Native to Africa.
Some varieties are cultivated as salad beans.