Flora of North America species comparison

gray, distinctly platy, plates scaly.

orange- to purple-brown, irregularly furrowed and cross-checked into large, irregularly rectangular, papery-scaly plates.

nearly whorled, spreading-ascending;

twigs slender, pale red-brown, rusty puberulent and slightly glandular (rarely glabrous), aging purple-brown or gray, smooth.

spreading to ascending;

twigs stout (to ca. 1cm thick), orange-brown, aging darker brown, rough-scaly.

ellipsoid or cylindric, rust-colored, 0.4–0.5cm, slightly resinous.

cylindric, silvery brown, 1.5–2cm;

scale margins fringed.

5 per fascicle, spreading to ascending, persisting 3–4 years, 4–10cm × 0.7–1mm, straight, slightly twisted, pliant, blue-green, abaxial surface without evident stomatal lines, adaxial surfaces with evident stomatal lines, margins finely serrulate, apex broadly to narrowly acute;

sheath 1–1.5cm, shed early.

2 or 3 per fascicle, spreading or ascending, persisting ca. 2 years, 15–20(–23)cm × 1.2–1.5mm, straight, slightly twisted, pliant, yellow- to blue-green, all surfaces with stomatal lines, margins finely serrulate, apex abruptly acute to acuminate;

sheath 1–2cm, base persistent.

ellipsoid, 10–15mm, yellow.

cylindric, 30–40mm, purplish.

cones maturing in 2 years, shedding seeds and falling soon thereafter, clustered, pendent, symmetric, lance-cylindric to ellipsoid-cylindric before opening, broadly lanceoloid to ellipsoid-cylindric when open, 10–25cm, creamy brown to yellowish, without purple or gray tints, resinous, stalks to 2cm;

umbo terminal, depressed.

cones maturing in 2 years, falling the year after seed-shed, single or in pairs, symmetric, lance-ovoid before opening, ovoid or ovoid-cylindric when open, (7–)9–18(–20)cm, light chocolate brown, on stalks to 3cm;

apophyses lustrous (as if varnished), slightly raised, strongly cross-keeled;

umbo central, depressed-pyramidal, with short, stout prickle.

=24.