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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.
A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) [2] of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.. World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, [3] and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), [4] making it ...
The cones are acute-globose, the largest of the true pinyons, 4.5–8 cm (1 + 3 ⁄ 4 – 3 + 1 ⁄ 8 in) long and broad when closed, green at first, ripening yellow-buff when 18–20 months old, with only a small number of very thick scales, typically 8–20 fertile scales. The cones thus grow over a two-year (26-month) cycle, so that newer ...
The distinguishing characteristic is the reproductive structure known as a cone produced by all Pinales. All of the extant conifers, such as Araucaria, cedar, celery-pine, cypress, fir, juniper, kauri, larch, pine, redwood, spruce, and yew, are included here.
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Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...
The cones are ovoid, massive, 15–27 cm (6– 10 + 3 ⁄ 4 in) long and 8–14 cm (3 + 1 ⁄ 4 – 5 + 1 ⁄ 2 in) broad and up to 2 kg (4.4 lb) weight when closed, green at first, ripening yellow-brown when 26–28 months old, with very thick, woody scales, typically 30–60 fertile scales.
The Parry pinyon begins to grow cones at around 10 to 20 years, and seed production is maximized at 50 or more years of age. The cones are globose, 4–5.5 cm ( 1 + 5 ⁄ 8 – 2 + 1 ⁄ 8 in) long and broad when closed, green at first, ripening yellow to orange-buff when 18–20 months old, with only a small number of thick scales, with ...
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