Riverside species that has been used in shipbuilding and agricultural tools for their rugged wood and its resistance to putrefaction and also as a drug for its medicinal properties. Ulmus etymologically comes from the Latin name of the plant, although some authors argue the possibility that derives from the Celtic elm. In Castilla, the elm has been called álamo for a long time, and this name is picked up by Miguel de Cervantes in his Don Quixote: they are situated on the village squares, where around them the people gather to talk and listen to stories from travelers like the exploits of the Ingenious Gentleman of La Mancha. In this sense, as a meeting place, it can be understood that the primitive council of Seville, the Casas Consistoriales, that were between the Cathedral and the Real Alcázar, received the name of Corral de los Olmos. The specimens that reached great size and age-that a tree can live 400 years, but usually no more than 150- were known as Olmas. Many have disappeared, as it is a species in danger of extinction in Europe, being attacked by agents that spread the fungus ceratocistis ulmi, which has reduced 80-90% of the population of this species in the Peninsula.