Flora of North America species comparison

gray, aging red-brown, furrowed, with narrow, irregular, scaly ridges.

red-brown, shallowly and irregularly furrowed, ridges scaly, rounded.

spreading-ascending;

twigs slender, pale red-brown, puberulous or glabrous, sometimes glaucous, aging gray or gray-brown, smooth.

persistent to near trunk base;

twigs pale red-brown to tan, rarely glaucous, aging gray-brown to gray, glabrous to papillose-puberulent.

ellipsoid, red-brown, ca. 1cm, resinous.

ovoid to ellipsoid, red-brown, 0.5–1cm, resinous.

5 per fascicle, spreading to ascending-upcurved, persisting 3–5 years, 4–9cm × 0.6–1mm, straight, slightly twisted, pliant, dark green to blue-green, abaxial surface without evident stomatal lines, adaxial surfaces conspicuously whitened by narrow stomatal lines, margins sharp, razorlike and entire to finely serrulate, apex narrowly acute to short-subulate;

sheath 1.5–2cm, shed early.

(1–)2(–3) per fascicle, upcurved, persisting 4–6 years, 2–4cm × (0.9–)1–1.5mm, connivent, 2-sided (1-leaved fascicles with leaves 2-grooved, 3-leaved fascicles with leaves 3-sided), blue-green, all surfaces marked with pale stomatal bands, particularly the adaxial, margins entire or finely serrulate, apex narrowly acute to subulate;

sheath 0.5–0.7cm, scales soon recurved, forming rosette, shed early.

cylindric, ca. 6–10mm, pale yellow-brown.

ellipsoid, ca. 7mm, yellowish to red-brown.

cones maturing in 2 years, shedding seeds and falling soon thereafter, pendent, symmetric, lance-cylindric before opening, broadly lance-cylindric when open, 15–25cm, creamy brown to light yellow-brown, stalks to 6cm;

apophyses somewhat thickened, strongly cross-keeled, tip reflexed;

umbo terminal, low.

cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, ovoid before opening, depressed-ovoid to nearly globose when open, ca. (3.5–)4(–5)cm, pale yellow- to pale red-brown, resinous, nearly sessile to short-stalked;

apophyses thickened, raised, angulate;

umbo subcentral, slightly raised or depressed, truncate or umbilicate.

=24.

=24.