Flora of North America species comparison

gray to red-brown, shallowly fissured, with long, flat, irregular ridges.

red-brown, scaly-plated, plates with evident resin pockets.

contorted;

twigs pale red-brown, aging gray, puberulent, young branches resembling long bottlebrushes because of persistent leaves.

spreading-ascending; 2-year-old branchlets slender (ca. 5mm or less), greenish brown to red-brown, often glaucous, aging red-brown to gray, roughened and cracking below leafy portion.

ovoid-acuminate, pale red-brown, ca. 1cm, resinous.

ovoid to cylindric, red-brown, 0.5–0.7(–1)cm, resinous.

5 per fascicle, upcurved, persisting 10–17 years, (2–)3–4cm × 0.8–1mm, mostly connivent, deep blue-green, with drops and scales of resin, abaxial surface with strong, narrow median groove, adaxial surfaces conspicuously whitened by stomates, margins entire or distantly serrulate, apex conic-acute to conic-subulate;

sheath 0.5–1.5cm, scales soon recurving, shed early.

2(–3) per fascicle, spreading-ascending, persistent 3–5 years, (5–)7–11(–13)cm × ca. 1mm, straight, slightly twisted, gray- to yellow-green, all surfaces with fine stomatal lines, margins finely serrulate, apex abruptly acute;

sheath 0.5–1(–1.5)cm, base persistent.

ellipsoid, ca. 10mm, bluish to red.

cylindric, 15–20mm, yellow- to pale purple-green.

cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-cylindric before opening, lance-ovoid to ovoid or cylindric when open, 6–11cm, purple to brown, nearly sessile;

apophyses much thickened;

umbo central, with triangular base, extended into slender, brittle prickle 4–10mm.

cones maturing in 2 years, semipersistent, solitary or clustered, spreading, symmetric, lanceoloid or narrowly ovoid before opening, ovoid-conic when open, 4–6(–7)cm, red-brown, aging gray, nearly sessile or on stalks to 1cm, scales lacking contrasting dark border on adaxial surfaces distally;

umbo central, with elongate to short, stout, sharp prickle.

=24.

=24.