Flora of North America species comparison

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

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

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 to ascending, persistent to trunk base;

twigs slender, pale orange-brown, puberulent-glandular, aging brown to gray-brown.

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

ovoid, light red-brown, ca. 0.4–0.5cm, slightly resinous.

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.

(3–)4(–5) per fascicle, persisting 3–4 years, (2–)3–6cm × (1–)1.2–1.7mm, curved, connivent, stiff, green to blue-green, margins entire to minutely scaly-denticulate, finely serrulate, apex subulate, adaxial surfaces mostly strongly whitened with stomatal bands, abaxial surface not so but 2 subepidermal resin bands evident;

sheath 0.5–0.6cm, scales soon recurved, forming rosette, shed early.

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

ovoid, ca. 10mm, yellowish.

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 in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, ovoid before opening, broadly ovoid to depressed-globose when open, (3–)4–8(–10)cm, pale yellow-brown, sessile to short-stalked, apophyses thickened, strongly raised, diamond-shaped, transversely keeled, umbo subcentral, low-pyramidal or sunken, blunt.

=24.