Tree An area of woodland composed primarily of trees established by planting or artificial seeding is known as a plantation. Trees are the source of many of the world's best known fleshy fruits. Apples, pears, plums, cherries and citrus are all grown commercially in temperate climates and a wide range of edible fruits are found in the tropics. Other commercially important fruit include dates, figs and olives. Palm oil is obtained from the fruits of the oil palm ("Elaeis guineensis"). The fruits of the cocoa tree ("Theobroma cacao") are used to make cocoa and chocolate and the berries of coffee trees,
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