怒江冷杉 nu jiang leng shan

Abies delavayi Franchet var. nukiangensis (W. C. Cheng & L. K. Fu) Farjon & Silba.

Trees to 20 m tall; trunk to 1 m d.b.h.; branchlets initially red-brown or brown, darkened in 2nd or 3rd year, densely pubescent, with projecting leaf scars; winter buds globose, slightly resinous. Leaves pectinately arranged in 2 lateral sets or ascending on upper side of branchlets, dark green adaxially, linear, (1.2-)1.8-3.2(-4.3) cm × 1.5-2.5 mm, stomatal lines in 2 white bands abaxially, resin canals 2, marginal, margin revolute, apex emarginate. Seed cones black at maturity, slightly glaucous, cylindric, 7-10 × 3.7-4.5 cm. Seed scales at middle of cones flabellate-trapeziform, 1.7-2 × 1.8-2.2 cm, margin auriculate at base. Bracts cuneate-obovate, apex rounded, with an acute cusp ca. 2 mm. Seeds obtriangular, 1.6-1.9 cm including shorter wing; wing dark brown or red-brown, base cuneate, apex truncate.

River basins; 2500-3100 m. Sichuan, NW Yunnan [NE India, N Myanmar, N Vietnam]