Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Cowpea -  The cowpea (Vigna unguiculata) is one of several species of the widely cultivated genus Vigna. Four subspecies are recognised of which three are cultivated (more exist including textilis pubescens and sinensis):Cowpeas are one of the most important food legume crops in the semiarid tropics covering Asia Africa southern Europe and Central and South America.
Answer:
Plant