Fragaria × ananassa, llamada comúnmente fresón o frutilla y sus cultivares emparentados es la variedad más común de Fragaria cultivada mundialmente. Como todas las fresas, es de la familia Rosaceae; su fruta es técnicamente conocida como infrutescencia, ya que la parte carnosa no se deriva del ovario de la planta (aquenio), sino del hipantio que sostiene los ovarios. Es originaria de Europa a principios del s. XVIII, y representa el cruce experimental de Fragaria virginiana del este de Norteamérica, notable por su fino sabor, y Fragaria chiloensis de la costa pacífica del continente americano (desde Norteamérica hasta la Patagonia) y conocida por su gran tamaño.

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The garden strawberry (or simply strawberry; Fragaria × ananassa) is a widely grown hybrid species of the genus Fragaria (collectively known as the strawberries). It is cultivated worldwide for its fruit. The fruit (which is not a botanical berry, but an aggregate accessory fruit) is widely appreciated for its characteristic aroma, bright red color, juicy texture, and sweetness. It is consumed in large quantities, either fresh or in such prepared foods as preserves, fruit juice, pies, ice creams, milkshakes, and chocolates. Artificial strawberry flavorings and aromas are also widely used in many products like lip gloss, candy, hand sanitizers, perfume, and many others. The garden strawberry was first bred in Brittany, France, in the 1750s via a cross of Fragaria virginiana from eastern North America and Fragaria chiloensis, which was brought from Chile by Amédée-François Frézier in 1714. Cultivars of Fragaria × ananassa have replaced, in commercial production, the woodland strawberry (Fragaria vesca), which was the first strawberry species cultivated in the early 17th century. Technically, the strawberry is an aggregate accessory fruit, meaning that the fleshy part is derived not from the plant's ovaries but from the receptacle that holds the ovaries. Each apparent "seed" (achene) on the outside of the fruit is actually one of the ovaries of the flower, with a seed inside it.

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