IUCN threat status:

Near Threatened (NT)

Comprehensive Description

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General Description

Trees to 50 m tall; trunk to more than 1.5 m d.b.h.; bark rough, scaly; branchlets yellowish gray, brown, or reddish brown, furrowed, pubescent or glabrous, densely leafy; winter buds globose or ovoid, resinous. Leaves ascending on upper side of cone-bearing branchlets, pectinately arranged in 2 lateral sets on young and vegetative branchlets, bright green adaxially, linear, 2-6 cm long, 2-2.5 mm wide, stomatal lines in 2 white bands abaxially, resin canals 2, marginal, apex emarginate or 2-cleft. Seed cones dark purple, maturing to dark brown or blue-brown with a little purple, cylindric, 8.5-20 cm long, 4.5-7.5 cm wide. Seed scales at middle of cones flabellate-trapeziform, 2.3-2.8 cm long, 2.8-3.4 cm wide, margin auriculate and thin laterally. Bracts included, spatulate, 1/3-1/2 as long as seed scales, apex with an acute, short cusp. Seeds ca. 1 cm; wing broadly cuneate, longer than seeds, apex truncate.

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

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