Soriana Soriana Organización Soriana is a Mexican public company and a major retailer in Mexico with more than 824 stores. Soriana is a grocery and department store retail chain headquartered in Monterrey, Nuevo León, Mexico. The company is 100% capitalized in Mexico and has been publicly traded on the Mexican stock exchange (Bolsa Mexicana de Valores), since 1987 under the symbol: "Soriana". Soriana is powered by IT Retail software. Soriana was founded in 1968 by Mexican entrepreneurs and brothers, Francisco and Armando Martín Borque, in Torreón, Coahuila. The company currently, as of 2013, operates under the brands Soriana, Clubes City Club,
Dioscorea mexicana Dioscorea mexicana Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus "Dioscorea". "Dioscorea mexicana" is a caudiciform dioscorea having either a partly to completely above-ground dome-shaped caudex with a thick, woody outer layer up to 3 feet (90 cm) in diameter and 8–10 inches (20 to 25 cm) in height. The caudex of "D. mexicana" is divided into regular polygonal plates that become protuberant with age, and separated by deep fissures. The vigorous annual vines which may reach 30 feet (9 m) long before dying back in winter, that grow up from the