Description from Flora of China
Larix potaninii Batalin var. himalaica (W. C. Cheng & L. K. Fu) Farjon & Silba.
Branchlets pendulous; long branchlets light yellow or brownish yellow, bright in 2nd year, finally yellowish gray; short branchlets 2-5 mm in diam., glabrous, with rings of reflexed bud scales; winter buds subglobose or conical-globose. Leaves linear, 1-2.5 cm × ca. 1 mm, flat or keeled toward base adaxially, keeled abaxially. Seed cones erect, purplish brown, maturing dark brown, cylindric, 2-6.5 × 2.8-3.2 cm, apex obtuse. Seed scales suborbicular or oblong-orbicular, 1.2-1.5 × 0.9-1.3 cm at middle of cones, longer than wide, densely pubescent abaxially, finally glabrous, apex rounded or broadly rounded. Bracts exserted, purplish or purplish brown, lanceolate-oblong, straight, slightly longer than or equaling seed scales, 1.4-1.7 cm, apex obtuse. Seeds obliquely triangular-ovoid, ca. 9 mm including wing.
River basins, valleys; 3000-3500 m. S Xizang [Nepal]