Description from
Flora of China
Cotoneaster marginatus Lindley ex Loudon; C. microphyllus Wallich ex Lindley var. buxifolius Dippel f. lanatus Dippel; C. prostratus var. lanatus (Dippel) Rehder; C. rotundifolius Wallich ex Lindley var. lanatus (Dippel) C. K. Schneider.
Shrubs evergreen, to 3 m tall. Leaf blade elliptic, rarely obovate-elliptic, 7–16 mm, abaxially tomentose, apex obtuse and mucronulate. Inflorescences 2–5(–8)-flowered. Pedicels, hypanthium, and sepals abaxially densely and persistently strigose-tomentose.
Zhou & Wu (Acta Bot. Yunnan. 23: 29–36. 2001) treated this variety as a synonym of var. buxifolius.
Brach (2010): This is instead Cotoneaster integrifolius (see Dickoré & Kasperek (2010. Willdenowia).
Mountain regions; 2500--3300 m. SE Xizang [Bhutan, India, Nepal].