Baishan Fir

An endangered species.

Trees to 30 m tall; trunk to 60 cm d.b.h.; bark pale gray, irregularly scaly; branchlets initially light yellow or brown-yellow, sometimes turning gray-black in 3rd or 4th year, glabrous or puberulent; winter buds ovoid to conical, resinous. Leaves spirally arranged, ascending on upper side of main branchlets, pectinately arranged in 2 lateral sets on lower side and on lateral branchlets, linear, unequal, (1-)1.5-3.5(-4.2) cm × 2.5-3.5 mm, stomatal lines in 2 white bands abaxially, resin canals 2, marginal, apex emarginate. Seed cones green or green-yellow, becoming brown-yellow, green-brown, or dark brown at maturity, ellipsoid-cylindric or cylindric, 7-12 × 3.5- 4.5 cm. Seed scales at middle of cones flabellate-trapeziform, rarely reniform-trapeziform, 1.8-2.5 × 2.5-3.3 cm, base auriculate, margin erose-denticulate laterally. Bracts constricted at middle, distal part spatulate, orbicular, or truncate, apex cuspidate, cusp exserted, reflexed, acute, small. Seeds obtriangular, 1.3-2.4 cm including broadly dolabriform wing. Pollination May, seed maturity Oct-Nov.

NE Guangxi, S Hunan, W Jiangxi, SW Zhejiang

* Mountains, hills; 1400-1800 m.