Flora of North America species comparison

light red-brown, furrowed and cross-checked into irregularly rectangular, scaly plates.

dark brown to near black, irregularly and deeply furrowed, ridges irregularly rectangular or blocky, scaly, often breaking away, bases of furrows and underbark orangish.

spreading-ascending;

twigs moderately slender (to 1cm thick), orange- to red-brown, aging darker brown, rough.

often ascending;

cone-bearing branchlets stout, twigs comparatively slender, both pale purple-brown and glaucous, aging gray, rough.

ovoid-acuminate, red-brown, to ca. 2cm, resinous;

scale margins fringed.

ovoid, red-brown, ca. 1cm, resinous;

scale margins white-fringed.

2 per fascicle, straight or slightly twisted, brittle, breaking cleanly when bent, deep yellow-green, all surfaces with narrow stomatal bands, margins serrulate, apex short-conic, acute;

sheath 1–2.5cm, base persistent.

mostly 3 per fascicle, drooping, persisting 3–4 years, 15–32cm × 1.5mm, slightly twisted, dull blue-green, all surfaces with pale, narrow stomatal lines, margins serrulate, apex short-acuminate;

sheath to 2.4cm, base persistent.

ellipsoid, ca. 15mm, dark purple.

ellipsoid, 10–15mm, yellow.

cones maturing and opening in 2 years, spreading, symmetric, ovoid before opening, broadly ovoid to nearly globose when open, 3.5–6cm, light red-brown, nearly sessile;

apophyses slightly thickened, slightly raised, transversely low-keeled;

umbo central, centrally depressed, unarmed.

cones maturing in 2 years, shedding seeds soon thereafter, persisting to 7 years, pendent, massive, heavy, nearly symmetric, ovoid before opening, broadly to narrowly ovoid or ovoid-cylindric when open, 15–25cm, dull brown, resinous, stalks to 5cm;

apophyses elongate, curved, continuous with umbos to form long, upcurved claws to 2cm.

=24.

= 24.