Simplify the following text for a Grade 8 native English-speaking person.
Original: The female cones are barrel-shaped , 7 â `` 13 cm long and 5 â `` 9 cm broad , and disintegrate when mature ( in 12 months ) to release the winged seeds .
Simplified: 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 .