Description from Flora of China
Cotoneaster muliensis G. Klotz; C. schlechtendalii G. Klotz.
Shrubs semievergreen, erect, to 1.5 m tall, with dense, ascending branches. Branchlets grayish brown, initially sparsely accumbent strigose, glabrate, densely gray lenticellate when old. Petiole 1–3 mm, villous; stipules lanceolate or linear-lanceolate, 2–3 mm, membranous, villous; leaf blade dark green adaxially, oblong-obovate, rarely oblanceolate, 6–12 × 4–8 mm, subleathery, abaxially densely yellowish gray appressed villous, adaxially villous, base cuneate, apex obtuse and mucronate. Corymbs erect, 1–2.5 cm, 3–9(–11)-flowered; rachis and pedicels initially villous, glabrescent. Flowers 9–10 mm in diam. Hypanthium campanulate, abaxially ± villous. Sepals triangular, apex acute. Petals white or pinkish, suborbicular, 3–4 mm in diam., adaxially puberulous near base, base broadly clawed, apex obtuse. Stamens shorter than petals. Carpels 1 or 2; styles not exceeding stamens. Fruit red, globose, 5–7 mm in diam., glabrous; pyrenes 1 or 2 united into 1. Fl. May–Jun, fr. Sep–Oct. 2n = 68.
Zhou & Wu (Acta Bot. Yunnan. 21: 160–166. 1999) treated this species as a synonym of Cotoneaster conspicuus.
Brach (2010): This appears to be the same as Cotoneaster hebephyllus Diels.
River valleys, forests, slopes; 2700--4100 m. W Sichuan, SE Xizang [Bhutan, Nepal].