Trees to 5 m tall. Branchlets dark purple, with raised nodes, densely pubescent when young. Petiole to 8 mm, pubescent; leaf blade elliptic, 4-5 × 1.4-2 cm (at anthesis), abaxially densely shortly sericeous, glabrescent, adaxially pilose or pilose only along veins, base usually rounded or subrounded, rarely cuneate, margin entire, apex obtuse or subrounded, rarely subacute. Male catkin unknown. Female catkin ca. 2 cm × 3 mm, densely flowered; peduncle ca. 5 mm, with 2 or 3 leaflets; rachis villous; bracts elliptic or obovate, ca. 1/2 as long as ovary, ca. 2 mm, sparsely villous, or subglabrous distally abaxially, apex rounded. Female flower: gland adaxial, linear-oblong, 1/4-1/3 as long as bracts; ovary villous, sessile; style ca. 0.5 mm, 2-lobed; stigma 2-cleft. Fl. Jun.

* Mountain slopes, cultivated places; circa 4400 m. Xizang (Daglung, Nagarzê Xian)