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

15. Picea brachytyla (Franchet) E. Pritzel, Bot. Jahrb. Syst. 29: 216. 1900.

麦吊云杉 mai diao shan

Trees to 30 m tall; trunk to 1 m d.b.h.; bark gray or grayish brown, longitudinally fissured into thick, square plates or irregularly flaking; crown conical-pyramidal; branchlets pendulous, initially pale yellow or brownish yellow, turning brownish yellow or brown in 2nd or 3rd year, finally gray; winter buds often ovoid or ovoid-conical, rarely conical at apex, scales appressed at base of branchlets. Leaves directed forward and closely appressed on upper side of branchlets, spreading and almost pectinately arranged on lower side, linear, not parallel sided, slightly curved or straight, flattened, 1-2.2(-2.5) cm × 1-1.5 mm, slightly keeled on both sides, stomatal lines 5-7 in each of 2 white or pale bands adaxially, apex acute or mucronate. Seed cones green, red- or purple-brown, maturing dull brown or brown tinged purplish, ovoid- or cylindric-oblong, 6-10(-12) × 3-4 cm. Seed scales at middle of cones obovate-oblong or rhombic, 1.4-2.2 × 1.1-1.3 cm, base cuneate, distal margin usually recurved, sometimes elongate. Seeds ca. 1.2 cm including wing. Pollination Apr-May, seed maturity Sep-Oct.

Mountain slopes, valleys, river basins; 1500-3800 m. S Gansu, W Henan, W Hubei, SE Shaanxi, Sichuan, SE Xizang, NW Yunnan [Bhutan, N Myanmar]

A vulnerable species in China. The timber is used for construction, aircraft, machines, and wood pulp. The species is also cultivated for afforestation.

1 Seed cones green before maturity; leaves thin; bark grayish brown, longitudinally fissured into thick, square plates   15a var. brachytyla
+ Seed cones red- or purple-brown before maturity; leaves thick; bark pale gray or gray, irregularly flaking   15b var. complanata

Lower Taxa


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