Hartia kwangtungensis Chun, Sunyatsenia 2: 60. 1934; H. kwangtungensis var. grandifolia Chun; H. villosa var. grandifolia (Chun) Hung T. Chang; H. villosa var. kwangtungensis (Chun) Hung T. Chang; Stewartia villosa var. grandifolia (Chun) J. Li & T. L. Ming.
Current year branchlets, midvein of leaf blade abaxial surface, and petioles appressed pubescent. Leaf blade lanceolate, margin obtusely serrate toward apex to almost entire. Fl. Jun-Jul, fr. Nov.
Forests; 200-1200 m. Guangdong, Guangxi, S Jiangxi.