Pinus coulteri |
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big-cone pine, Coulter pine |
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Habit | Trees to 24m; trunk to 1m diam., straight to contorted; crown broad, thin, irregular. |
Bark | dark gray-brown to near black, deeply furrowed, with long, scaly, irregularly anastomosing, rounded ridges. |
Branches | often ascending; twigs stout to moderately slender, violet-brown, often glaucous, aging gray-brown, rough. |
Buds | ovoid, deep red-brown, 1.5(–3)cm, resinous; scale margins white-fringed, apex cuspidate. |
Leaves | 3 per fascicle, slightly spreading, not drooping, mostly ascending in a brush, persisting 3–4 years, 15–30cm × ca. 2mm, slightly curved or straight, twisted, dusty gray-green, all surfaces with pale, fine stomatal lines, margins serrulate, apex abruptly subulate; sheath 2–4cm, base persistent. |
Pollen cones | ovoid to cylindric, to 25mm, light purple-brown, aging orange-brown. |
Seed(s) | cones maturing in 2 years, gradually shedding seeds thereafter and moderately persistent, massive, heavy, drooping, asymmetric at base, narrowly ovoid before opening, ovoid-cylindric when open, 20–35cm, pale yellow-brown, resinous, stalks to 3cm; apophyses transverse-rhombic, strongly and sharply cross-keeled, elongate, curved, continuous with umbos to form long, upcurved claws 2.5–3cm. |
2n | =24. |
Pinus coulteri |
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Habitat | Dry rocky slopes, flats, ridges, and chaparral, transitional to oak-pine woodland |
Elevation | 300–2100m (1000–6900ft) |
Distribution |
CA; Mexico in Baja California
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Discussion | Pinus coulteri is the heaviest-coned pine; one who seeks its shade should wear a hardhat. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 2. |
Parent taxa | Pinaceae > Pinus |
Sibling taxa | |
Name authority | D. Don: Trans. Linn. Soc. London, Bot. 17: 440. (1836) |
Web links |