Input (grade 9): The female cones are barrel-shaped, 7-13 cm long and 5-9 cm broad, and disintegrate when mature (in 12 months) to release the winged seeds.
Output (grade 8): The female cones are barrel-shaped, 7-13 cm long and 5-9 cm broad, and break when up mature (in 12 months) to release the winged seeds.