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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 female cones (seed), which mature in autumn about 18 months after pollination, are globose, large, 18–25 cm (7–10 in) in diameter, and hold about 100–150 seeds. The cones disintegrate at maturity to release the approximately 5 cm (2 in) long nut -like seeds, which are then dispersed by animals, notably the azure jay , Cyanocorax ...
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.
The female cones are large and usually woody, 2–60 centimetres (1–24 inches) long, with numerous spirally arranged scales, and two winged seeds on each scale. The male cones are small, 0.5–6 cm (1 ⁄ 4 – 2 + 1 ⁄ 4 in) long, and fall soon after pollination; pollen dispersal is by wind. Seed dispersal is mostly by wind, but some ...
The cones are strongly reflexed down the branch, 5-to-10-centimetre-long (2.0 to 3.9 in) long; the scales are stiff, thin on the side of the cone facing the stem, but greatly thickened on the side facing away and with a stout 5 to 12 millimetres (0.20 to 0.47 in) spine; both features adaptive to minimise squirrel predation and fire damage to ...
The pine needles are in fascicles (bundles) of three, distinctively pale gray-green, sparse and drooping, and grow to 20–30 centimetres (8–12 in) in length. The seed cones are large and heavy, 12–35 cm ( 4 + 3 ⁄ 4 – 13 + 3 ⁄ 4 inches) in length and almost as wide as they are long.
The San Diego County Fair began in 1880 as an agricultural fair. The location moved from place to place for several years, finally settling on the Del Mar Fairgrounds when it opened in 1936. There was no fair in 1917–18 due to World War I , 1942–45 due to World War II , and 2020 in response to the COVID-19 pandemic .
The cones are generally smaller than 13.5 cm (5.3 in) in width. The sharp tips at the end of the scales are generally less than 6 mm (0.24 in) in length. The seed is generally less than 11 mm (0.43 in) wide, and light to dark brown in color. [15] Considered a Critically Imperiled Subspecies by NatureServe. [16] coast at Del Mar in San Diego County