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A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female or seed cone on a Norway spruce (Picea abies) Immature male or pollen 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.
The cones of the bunya pine are some of the largest produced by the conifer family. The cones—which can grow to as much as 35 centimetres (14 in) in diameter when mature, and weigh up to 10 kilograms (22 lb)—can drop on unsuspecting passersby from heights of 40 metres (130 ft) or more. [ 45 ]
The male cones are slender conic, 5–11 cm (2.0–4.3 in) long and 1–2 cm (0.39–0.79 in) broad and reddish-brown in colour and are lower on the tree than the seed cones. [3] Seedlings appear to be slow-growing [ 3 ] and mature trees are extremely long-lived; some of the older individuals today are estimated to be between 500 and 1,000 ...
Young female cone Pinus sylvestris forest in Sierra de Guadarrama, central Spain. Pinus sylvestris is an evergreen coniferous tree growing up to 35 metres (115 feet) in height [4] and 1 m (3 ft 3 in) in trunk diameter when mature, [5] exceptionally over 45 m (148 ft) tall and 1.7 m (5 + 1 ⁄ 2 ft) in trunk diameter on very productive sites.
Cones of all species have thick scales, and all except those of P. pinea open at maturity. Species in this section are native to Europe, Asia, and the Mediterranean, except for P. resinosa in northeastern North America and P. tropicalis in western Cuba. [6] Subsection Incertae sedis
The cones are 6–12 cm (2 + 1 ⁄ 4 – 4 + 3 ⁄ 4 in) long and 4–4.5 cm (1 + 5 ⁄ 8 – 1 + 3 ⁄ 4 in) broad, green or purple ripening pale brown, with about 100–150 scales; the scale bracts are short, and hidden in the closed cone. The winged seeds are released when the cones disintegrate at maturity about 6 months after pollination. [9]
The Federal Reserve on Thursday made its second rate cut of this year, with the decision coming less than two months after the central bank's surprise jumbo cut in September.. The Fed shaved ...
Pinus elliottii, commonly known as slash pine, [2] [3] is a conifer tree native to the Southeastern United States. Slash pine is named after the "slashes" – swampy ground overgrown with trees and bushes – that constitute its habitat. Other common names include swamp pine, yellow slash pine, and southern Florida pine. [3]