Pinus longaeva
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Description: Facts on physical characteristics, habitat, and range. Provides distribution map.
Pinus longaeva in Flora of North America @ efloras.org D. K. Bailey, Ann. Missouri Bot. Gard. 57: 243. 1970. Trees to 16m; trunk to 2m diam., strongly tapering; crown rounded, flattened (sheared), or irregular. Bark red-brown, shallowly to deeply fissured with thick, scaly, irregular, blocky ridges. Branches contorted, pendent; twigs pale red-brown, aging gray to yellow-gray, puberulent, young branches resembling long bottlebrushes because of persistent leaves. Buds ovoid-acuminate, pale red-brown, ca. 1cm, resinous. Leaves mostly 5 per fascicle, upcurved, persisting 10--30 years, 1.5--3.5cm ´ 0.8--1.2mm, mostly connivent, deep yellow-green, with few resin splotches but often scurfy with pale scales, abaxial surface without median groove but with 2 subepidermal but evident resin bands, adaxial surfaces conspicuously whitened with stomates, margins entire or remotely and finely serrulate distally, apex bluntly acute to short-acuminate; sheath ca. 1cm, soon forming rosette, shed early. Pollen cones cylindro-ellipsoid, 7--10mm, purple-red. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-cylindric with rounded base before opening, lance-cylindric to narrowly ovoid when open, 6--9.5cm, purple, aging red-brown, nearly sessile; apophyses much thickened, sharply keeled; umbo central, raised on low buttress, truncate to umbilicate, abruptly narrowed to slender but stiff, variable prickle 1--6mm, resin exudate pale. Seeds ellipsoid-obovoid; body 5--8mm, pale brown, mottled with dark red; wing 10--12mm.
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| Page title: | Pinus longaeva in Flora of North America @ efloras.org |
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| IP-address: | 192.104.39.76 |
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| NS | Name Server:GATEKEEPER.MOBOT.ORG Name Server:NS1.PAETEC.NET Name Server:NS2.PAETEC.NET Name Server:NS3.PAETEC.NET Name Server: Name Server: Name Server: Name Server: Name Server: Name Server: Name Server: DNSSEC:Unsigned |
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| Date | Creation Date: 2003-08-14T15:34:40Z Expiry Date: 2014-08-14T15:34:40Z |