It was identified in 1929 by Prof. Morettini in San Casciano Cal di Pesa (Province of Florence), in the Fattoria del Corno, whence the name. Quite vigorous tree with spreading and quite dense foliage. Branches are erect and have pendulous branches starting from the internodes. Good pollinator varieties for Leccio del Corno are Piangente, Moraiolo, Maurino, Pendolino, Leccino and Frantoio.
Inflorescences are quite long and sparse, with a medium number of flowers. It flowers at the same time as Moraiolo and Frantoio. Abortion of the ovary rate is 20%. Veraison is quite late and gradual; medium resistance to detachment. Drupes often grow in bunches.