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Trees to 55 m tall; trunk to over 1 m d.b.h.; bark dark red-brown, thick, deeply and longitudinally fissured, scaly; winter buds brown, small, ovoid, not resinous. Needles 3 per bundle, slender, flabellate-triangular in cross section, 20-30 cm x ca. 1.5 mm, resin canals 2, median, base with persistent sheath 2-3 cm. Seed cones shortly pedunculate, ovoid, 10-20 x 6-9 cm. Seed scales oblong, thick, stiff; apophyses strongly swollen, conspicuously transversely ridged; umbo triangular, protruding. Seeds 8-12 mm; wing ca. 2.5 cm. Seed maturity Oct-Nov.
Trees to 55 m tall; trunk to over 1 m d.b.h.; bark dark red-brown, thick, deeply and longitudinally fissured, scaly; winter buds brown, small, ovoid, not resinous. Needles 3 per bundle, slender, flabellate-triangular in cross section, 20-30 cm × ca. 1.5 mm, resin canals 2, median, base with persistent sheath 2-3 cm. Seed cones shortly pedunculate, ovoid, 10-20 × 6-9 cm. Seed scales oblong, thick, stiff; apophyses strongly swollen, conspicuously transversely ridged; umbo triangular, protruding. Seeds 8-12 mm; wing ca. 2.5 cm. Seed maturity Oct-Nov.
Tree, up to 40 m high. Needles long, 200-300 mm long, bright green, near ends of branches, flexible, with long basal sheaths. Cones short-stalked, 100-150 mm long, broadly ovoid. Scales with thick, woody apophyses, strongly reflexed apex ending in a small, unarmed umbo.
