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

11. Picea likiangensis (Franchet) E. Pritzel, Bot. Jahrb. Syst. 29: 217. 1900.

丽江云杉 li jiang yun shan

Trees to 50 m tall; trunk to 2.5 m d.b.h.; bark dull gray or brown-gray, breaking into thick, irregular plates; crown pyramidal; branchlets initially pale yellow or brownish yellow, finally gray or gray-yellow, often sparsely pubescent, rarely with glandular hairs; winter buds brown, conical, ovoid, or globose, resinous, scales not reflexed, or slightly opening at base of branchlets. Leaves directed forward on upper side of branchlets, spreading on lower side, linear, straight or slightly curved, ± broadly rhombic in cross section or subflattened, 0.6-1.5 cm × 1-1.5 mm, stomatal lines 4-7 along each surface adaxially, 0-4 along each surface abaxially, apex acute or obtuse. Seed cones reddish brown or purple, maturing brown, reddish brown, purplish brown, or dark purple, ovoid-oblong or ovoid-cylindric, 4-12 × 1.7-3.5 cm. Seed scales at middle of cones rhombic-ovate, 1.5-2.6 × 1-1.7 cm, base cuneate, margin denticulate or undulate, apical part narrowed into a triangular or obtusely triangular point. Seeds gray-brown, subovoid, 0.7-1.4 cm including wing; wing pale brown, lustrous, usually with purplish spots, obovate-oblong. Pollination Apr-May, seed maturity Sep-Oct.

Mountains, ravines, river basins; 2500-4100 m. S Qinghai, S and W Sichuan, E Xizang, NW Yunnan [Bhutan]


1 Leaves with stomatal lines usually restricted to adaxial surface, rarely with 1 or 2 incomplete stomatal lines along each surface abaxially; 1st-year branchlets usually with glandular hairs   11e var. linzhiensis
+ Leaves usually with 2-4 complete stomatal lines along each surface abaxially, rarely stomatal lines absent abaxially; 1st-year branchlets pubescent.   (2)
       
2 (1) Seed cones 7-12 cm; 1st-year branchlets usually slender, sparsely pubescent   11a var. likiangensis
+ Seed cones 4-9 cm; 1st-year branchlets usually stout, densely pubescent.   (3)
       
3 (2) Seed cones red-brown or black-purple before maturity; 1st-year branchlets usually with short nodes   11b var. rubescens
+ Seed cones green-yellow or yellow, or with green seed scales tinged red-brown or reddish purple on distal margin before maturity; 1st-year branchlets with long nodes.   (4)
       
4 (3) Seed cones green-yellow or yellow before maturity   11c var. hirtella
+ Seed cones with green seed scales tinged red-brown or eeddish purple on distal margin before maturity   11d var. montigena

Lower Taxa


 

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