Lithocarpus dahuensis H.X.Su, Miao Zhang & B.Hua Chen, sp. nov. A branch with mature cupule a infructescence, showing mature cupule enclosing 1/4 of nut B, C Lithocarpus konishii (Hayata) Hayata (photographed by Shi Shi and Jin-Long Zhang from Hainan and HongKong, respectively) D vertical section of mature fruit E–G outside, inside and side view of the cupule, respectively H–J top, side and bottom view of mature nut, respectively. Scale bars: 2 cm (A); 1 cm (a); 5 mm(D–J).