Malus rockii Rehder .var. grandiflora Q.Luo et T.C.Pan,a new variety of Malus Mill. from Miannin county,Sichuan,China,is described. This variety is different from the typical one by having bigger flowers,4-5 cm diameter,oval petals 2-2.9cm long and 1-1.8 cm wide,stamens(25)30-40,stalk(3.7)4-5.2 cm. long.