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A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads.
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The young leaves are needle-like, while the broader adult leaves are triangular and scale-like. [3] The female seed cones are scaly, egg-shaped, and 10–15 cm (4–6 in) long by 7–11 cm (3–4 in) wide. The smaller, more numerous male pollen cones are at the tips of the branchlets and are scaly, foxtail-shaped, and 5 cm (2 inches) long. [3]
The leaves are needle-like, the longest of any spruce, 3–5 cm long, rhombic in cross-section, mid-green with inconspicuous stomatal lines. The cones are broad cylindric-conic, 9–16 cm long and 3 cm broad, green when young, maturing buff-brown and opening to 5–6 cm broad 5–7 months after pollination; the scales are stiff and smoothly ...