What is "arichuwa"

Arichuwa ( Aymara or Quechua for a kind of potatoes, hispanicized spellings Arechua, Arichua) is a volcano in the Andes of Peru, about high. It is located in the Puno Region, Puno Province, in the south of the Acora District. Arichuwa lies southwest of the mountain Q'ulini and north of Qina Qinani.