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FOC | Family List | FOC Vol. 4 | Pinaceae | Picea

13. Picea jezoensis (Siebold & Zuccarini) Carrière, Traité Gen. Conif. 255. 1855.

卵果鱼鳞云杉 yu lin yun shan

Abies jezoensis Siebold & Zuccarini, Fl. Jap. 2: 19. 1842.

Trees to 50 m tall; trunk to 1.5 m d.b.h.; bark initially brown and smooth, aging blackish brown or dull purplish gray, rough, and scaly or fissured; crown pyramidal or broadly conical; branchlets initially pale yellow, later orange-yellow or yellowish brown, glossy, glabrous or sparsely pubescent; winter buds pale brown, ovoid-conical, not resinous, scales often slightly recurved or opening at base of branchlets. Leaves directed forward on upper side of branchlets, spreading on lower side, linear, slightly recurved, flattened, 1-2(-2.4) cm × 1.5-2 mm, stomatal lines in 2 white bands adaxially, apex acute or mucronate. Seed cones green, red- or purple-brown, maturing brown or yellowish brown, oblong-cylindric or narrowly ovoid, 3-7(-9) × 2-3.5 cm. Seed scales rhombic, rhombic-elliptic, or ovate-elliptic, broadest at middle, thin, ca. 12 × 7-8 mm at middle of cones, papery, margin irregularly denticulate, apex almost truncate or rounded. Seeds ovoid-cuneate, ca. 3 × 2 mm; wing 6-10 × 4-5 mm. Pollination May-Jun, seed maturity Sep-Oct.

Mountains, river basins; 300-1700(-1800) m. Heilongjiang, Jilin, Nei Mongol [Japan, Korea, E Russia]

The timber is used for construction, machines, poles, furniture, and wood pulp. The bark is used for producing tannin, the trunk for resin, and the leaves for aromatic oils.

Two varieties occur in China, while var. jezoensis occurs in Japan and E Russia.


1 First-year branchlets brown or yellowish brown; seed cones 4-6(-9) × 2-2.6 cm; seed scales ovate-elliptic or rhombic-elliptic at middle of cones   13a var. microsperma
+ First-year branchlets yellow or pale yellow, rarely slightly brown; seed cones 3-4 × 2-2.2 cm; seed scales rhombic at middle of cones   13b var. komarovii

Lower Taxa


 

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