Abies forrestii Coltman-Rogers var. chayuensis (W. C. Cheng & L. K. Fu) Silba.

Trees to 30 m tall; branchlets light yellowish gray, yellowish brown, or grayish brown in 1st year, pubescent. Leaves ascending on upper side of branchlets, pectinately arranged in 2 lateral sets on lower side, linear, flattened, 1.5-2.5 cm × ca. 3 mm, stomatal lines in 2 white bands abaxially, resin canals 2, median, margin slightly revolute, apex obtuse or emarginate. Seed cones erect, purple when young, cylindric. Bracts with denticulate distal margin, apex broadly rounded, caudate centrally, cusp ca. 5 mm.

Some authors place this species within Abies ferreana.

* High mountains, S-facing slopes; circa 3800 m. SE Xizang