History of chocolate the South of Mexico. After its arrival to Europe in the sixteenth century, sugar was added to it and it became popular throughout society, first among the ruling classes and then among the common people. In the 20th century, chocolate was considered essential in the rations of United States soldiers at war. The word "chocolate" comes from the Classical Nahuatl word "chocolātl", and entered the English language from the Spanish language. Cultivation, consumption, and cultural use of cacao were extensive in Mesoamerica where the cacao tree is native. When pollinated, the seed of the cacao tree eventually forms a kind
Orto Botanico di Parma umbellatus", "Caltha palustris", "Cyperus papyrus", "Eichhornia crassipes", "Elodea canadensis", "Iris pseudacorus", "Lemna minor", "Nymphaea alba", "Pistia stratiotes", and "Sagittaria sagittaefolia", as well as mature trees including ginkgo, magnolia, "Pinus nigra subsp. laricio", and "Ulmus campestris". Its glass houses contain a tropical section with "Dracaena fragrans", "Ficus elastica", "F. benjamina", "Monstera deliciosa", "Tamarindus indica", "Theobroma cacao", etc., as well as epiphytes, orchids, and tropical fruits; and a desert house containing a variety of cacti and succulents. Orto Botanico di Parma The Orto Botanico di Parma, also known as the Orto Botanico dell'Università di Parma, is a botanical garden maintained by the