Comments
(
Anglèis
)
fornì da eFloras
A vulnerable species in China. The timber is used for construction, aircraft, machines, and wood pulp. The species is also cultivated for afforestation.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
Anglèis
)
fornì da eFloras
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.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
Anglèis
)
fornì da eFloras
S Gansu, W Henan, W Hubei, SE Shaanxi, Sichuan, SE Xizang, NW Yunnan [Bhutan, N Myanmar]
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
Anglèis
)
fornì da eFloras
Mountain slopes, valleys, river basins; 1500-3800 m.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA