Flora of North America species comparison

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

gray, nearly smooth, cross-checked in age into scaly plates and ridges.

spreading to ascending, persistent to trunk base;

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

spreading to ascending, often persistent to trunk base;

twigs pale red-brown, puberulous (rarely glabrous), slightly resinous, aging gray, smooth.

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

ovoid, light red-brown, 0.9–1cm, resinous;

lower scales ciliolate along margins.

(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.

5 per fascicle, spreading to upcurved and ascending, persisting 5–6 years, 3–7cm × 1–1.5mm, pliant, dark green, abaxial surface with less conspicuous stomatal bands than adaxial surfaces, adaxial surfaces with strong, pale stomatal bands, margins finely serrulate, apex conic-acute to acuminate;

sheath 1–1.5(–2)cm, shed early.

ovoid, ca. 10mm, yellowish.

broadly ellipsoid-cylindric, ca. 15mm, pale red or yellow.

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.

cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-ovoid before opening, cylindro-ovoid when open, 7–15cm, straw-colored, resinous, sessile to short-stalked, apophyses much thickened, strongly cross-keeled, umbo terminal, depressed.

=24.