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

16. Abies beshanzuensis M. H. Wu, Acta Phytotax. Sin. 14(2): 16. 1976.

百山祖冷杉 bai shan zu leng shan

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.

* Mountains, hills; 1400-1800 m. NE Guangxi, S Hunan, W Jiangxi, SW Zhejiang

An endangered species.

1 Seed cones brownish yellow or light brown, cylindric; seed scales at middle of cones 1.8-2.4 × 2.5-3 cm; seed 1.3-1.9 cm including wing; winter buds ovoid   16a var. beshanzuensis
+ Seed cones green-brown or dark brown, cylindric-ellipsoid; seed scales at middle of cones 2.3-2.5 × 3-3.3 cm; seed 2-2.4 cm including wing; winter buds conical   16b var. ziyuanensis

Lower Taxa


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