IUCN threat status:

Least Concern (LC)

Comprehensive Description

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General Description

Trees to 20 m tall; bark dark gray, flaking; branchlets red-brown or brown, darkened or turning dark gray in 2nd or 3rd year, initially puberulent; winter buds globose or obovoid, resinous. Leaves ascending on upper side of branchlets, pectinately arranged in 2 lateral sets on lower side, bright green adaxially, linear, 2-3 cm long, 2-2.5 mm wide, stomatal lines in 2 white bands abaxially, resin canals 2, marginal, apex emarginate, rarely acute or obtuse. Seed cones sessile, dark brown-purple or black-brown at maturity, cylindric or shortly so, 7-12 cm long, 3.5-6 cm wide. Seed scales at middle of cones flabellate-trapeziform, 1.3-2 cm long, 1.3-2.3 cm wide, margin auriculate laterally. Bracts cuneate-obovate, distal margin broadly rounded, apex with exserted, straight or recurved cusp 4-7 mm. Seeds ca. 1 cm; wing light brown or red-brown, broadly cuneate.

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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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