Complex sentence: The seed cones are ovoid or oblong, 25-40 mm long, with 10-14 scales, green at first, maturing brown about 20-24 months after pollination.
Split into simpler sentences: The seed cones are ovoid or oblong, 25-40 mm long, with 10-14 scales. They are green at first, turning brown as they mature, about 20-24 months after pollination.