3. Keteleeria evelyniana Masters, Gard. Chron., ser. 3. 33: 194. 1903.
云南油杉 yun nan you shan
Keteleeria delavayi Tieghem; K. dopiana Flous; K. evelyniana var. pendula Hsüeh.
Trees to 40 m tall; trunk to 1 m d.b.h.; bark grayish brown, irregularly and longitudinally fissured, flaking; branchlets reddish or brownish red, turning gray-brown, yellow-brown, or brown, usually initially pubescent, glabrous in 2nd or 3rd year. Leaves narrowly linear, usually slightly falcate, (2-)4-6.5 cm × 2-3.5 mm, stomatal lines (0-)4-20 adaxially, 28-38 in each band abaxially, apex usually mucronate. Seed cones cylindric, (7-)9-20(-25) × (3.5-) 4-6.5 cm. Seed scales at middle of cones rhombic-ovate, (2-)3-4 × (2-)2.5-3 cm, exposed part of abaxial surface pubescent or nearly glabrous, apex subacute, erose-denticulate. Seeds oblong, 0.9-1.4 cm × 5-7 mm; wing yellowish brown, semitrullate. Pollination Apr-May, seed maturity Oct.
Mountains, river basins; 700-2900 m. W Guizhou, W Sichuan, Yunnan [Laos, Vietnam]
The timber is used for construction, bridge building, furniture, and wood fiber.