Flora of North America species comparison

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

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

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.

spreading-ascending;

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

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

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

scale margins fringed.

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.

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.

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

ellipsoid, ca. 15mm, dark purple.

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.

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.

=24.

=24.