Romaine lettuce

Romaine or Cos lettuce is a variety of lettuce highly resistant to heat, which grows with elongated leaves and a thick and robust central nerve. This species of lettuce comes from the old continent of the Greek island of Cos, although it is known by other names such as endive, Italian or dried apricot, but more commonly known as Romaine lettuce, it was introduced in America thanks to the Europeans where it had been introduced. by the Roman Empire.