油杉 Keteleeria fortunei

  • Scientific Name: Keteleeria fortunei (A.Murray bis) Carrière
  • Ref: Rev. Hort. (Paris) 37:449. 1866
  • Synonyms:
    • Abies fortunei (A.Murray bis) A.Murray bis
    • A. jezoensis Lindl. & Paxton
    • Abietia fortunei (A.Murray) A.H.Kent
    • Keteleeria cyclolepis Flous
    • K. fortunei subsp. cyclolepis (Flous) Silba
    • K. fortunei var. cyclolepis (Flous) Silba
    • K. fortunei subsp. oblonga (W.C.Cheng & L.K.Fu) Silba
    • K. fortunei var. oblonga (W.C.Cheng & L.K.Fu) L.K.Fu & Nan Li
    • K. oblonga W.C.Cheng & L.K.Fu
    • Picea fortunei A.Murray bis
    • Pinus fortunei (A.Murray bis) Parl.
    • Pseudotsuga fortunei (A.Murray bis) W.R.McNab
  • English Common Name: Fortune’s keteleeria
  • Chinese Common Name: 油杉 yóushān
  • Japanese Common Name: ユサン [油杉] yusan
  • Family: Pinaceae
  • Genus: Keteleeria
  • Distribution: Hills, mountains, broad-leaved forests; 200-1400 m. S Fujian, Guangdong, Guangxi, Guizhou, S Hunan, SW Jiangxi, SE Yunnan, SW Zhejiang [N Vietnam]
Trees to 30 m tall; trunk to 1 m d.b.h.; bark dark gray, rough, longitudinally fissured; crown pyramidal; branchlets initially orange-red or reddish, turning yellowish gray or yellowish brown in 2nd or 3rd year, ± pubescent. Leaves pectinately arranged in lateral sets, linear, 1.2-3(-4) cm × 2-4 mm, stomatal lines (0-)2-4(-10) adaxially and 12-17 in each band abaxially, apex obtuse, rarely acute or slightly notched. Seed cones cylindric or oblong-cylindric, 6-18(-20) × (3.5-)5-6.5 cm. Seed scales compressed orbicular, rhombic-orbicular, or rarely oblong, thick or thin, (1.8-)2.5-3.2 × (1.8-)2.7-3.5 cm,exposed part glabrous abaxially, margin entire, apex convex, rounded, or rounded-truncate. Seeds oblong, 1-1.3 cm × 5-6 mm; wing yellowish brown, ± cuneate, apex oblique. Pollination Mar-Apr, seed maturity Oct. (Flora of China)

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