Pinus leiophylla
Pinus glabra
Chihuahuan pine, ocote Chino, pino Chino, pino prieto
bottom white pine, cedar pine, spruce pine, Walter pine
gray, fissured and cross-checked into elongate, irregular, scaly plates, resin pockets absent, on upper sections of trunk ± smooth, gray, looking slick.
whorled, spreading to ascending;
twigs slender, purple-red to red-brown, occasionally glaucous, aging gray, smooth.
ovoid to ovoid-cylindric, red-brown, ca. 0.5–1cm, slightly resinous;
scale margins finely fringed.
2 per fascicle, spreading to ascending, persisting 2–3 years, 4–8(–10)cm × 0.7–1.2mm, straight, slightly twisted, dark green, all surfaces with fine stomatal lines, margins finely serrulate, apex sharply conic;
sheath 0.5–1cm, base persistent.
lance-cylindric, 10–15mm, purple-brown.
cones maturing in 2 years, shedding seeds soon thereafter, semipersistent, spreading to recurved, nearly symmetric, lance-ovoid before opening, ovoid-cylindric when open, 3.5–7cm, red-brown, aging gray, nearly sessile or on stalks to 1cm, scales lacking contrasting border on adaxial surfaces (as in P. echinata);
apophyses but slightly thickened and raised;
umbo central, depressed, unarmed or with small, curved, weak, deciduous, short-incurved prickle.
=24.
Pinus leiophylla
Pinus glabra
Varieties 2 (1 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Pinus glabra is more shade tolerant than most yellow pines. Although the trees grow large, the wood is not much valued. The species is similar in tree form to P. strobus. It resembles P. echinata in shoot and leaf but has less prickly cones and deeper green leaves.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
WildflowerSearch
iNaturalist
USDA Plants Database
LA Plants
