5. Pseudotsuga menziesii (Mirbel) Franco, Bol. Soc. Brot., Ser. 2. 24: 74. 1950.
花旗松 hua qi song
Abies menziesii Mirbel, Mem. Mus. Hist. Nat. 13: 70. 1825; Abies taxifolia Lambert (1803), not Salisbury (1796); Pinus douglasii Sabine ex D. Don; Pseudotsuga douglasii (Sabine ex D. Don) Carriere; P. taxifolia (Lambert) Britton.
Trees to 100 m tall; trunk to 4 m d.b.h. in native range; bark dark gray-brown or blackish green, smooth, with resin blisters, aging rough and scaly with deep longitudinal fissures; branchlets initially light yellow, becoming red-brown when dry, slightly pubescent. Leaves dark green adaxially, linear, 1.5-3 cm × 1-2 mm, stomatal bands 2, abaxial, white, apex obtuse or acuminate. Seed cones brown, glossy, ellipsoid-ovoid, ca. 8 × 3.5-4 cm. Seed scales ± rhombic, 2-2.5 × 2-2.5 cm, as long as or longer than wide. Bracts exserted, longer than seed scales, cusp straight or reflexed, 6-10 mm, tapering at apex, lateral lobes wide and short, denticulate at margin.
Cultivated. Beijing Shi, Jiangxi (Lu Shan) [native to W Canada, Mexico, W United States]