Flora of North America species comparison

gray-brown, deeply furrowed, with long, irregularly rectangular, scaly plates.

purple-brown to dark brown, shallowly and narrowly fissured, with irregular, flat, loose-scaly plates, on upper sections of trunk nearly smooth.

whorled, spreading-upswept;

twigs slender, pale red-brown, glabrous or pale puberulent, aging gray, ±smooth.

ascending;

twigs slender, red-brown.

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

ovoid to ovoid-cylindric, dark red-brown, aging darker, ca. 1.5cm, resinous;

scale margins fringed, apex attenuate.

5 per fascicle, spreading to ascending, persisting 2–3 years, 6–10cm × 0.7–1mm, straight, slightly twisted, pliant, deep green to blue-green, pale stomatal lines evident only on adaxial surfaces, margins finely serrulate, apex abruptly acute to short-acuminate;

sheath 1–1.5cm, shed early.

3 per fascicle, spreading or ascending, persisting 4–5 years, (8–)9–15(–20)cm × (1–)1.3–1.8mm, straight or slightly curved, twisted, yellow-green, all surfaces with fine stomatal lines, margins serrulate, apex abruptly conic-subulate;

sheath (1–)1.5–2cm, base persistent.

ellipsoid, 10–15mm, yellow.

ellipsoid-cylindric, 10–15mm, orange-brown.

cones maturing in 2 years, shedding seeds and falling soon thereafter, clustered, pendent, symmetric, cylindric to lance-cylindric or ellipsoid-cylindric before opening, ellipsoid-cylindric to cylindric or lance-cylindric when open, (7–)8–20cm, gray-brown to pale brown, with purple or gray tints, stalks 2–3cm;

apophyses slightly raised, resinous at tip;

umbo terminal, low.

cones maturing in 2 years, serotinous, long-persistent, remaining closed for 20 years or more, or opening on burning, in whorls, hard and heavy, very asymmetric, lanceoloid before opening, ovoid-cylindric when open, 8–15cm, yellow- or pale red-brown, stalks to 1cm;

apophyses toward outside base increasingly elongate, mammillate or raised-angled-conic, downcurved near base, scarcely raised on branchlet side, rhombic;

umbo central, low-pyramidal, sharp, upcurved.

=24.

=24.