Acer opalus, Miller

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 239

8. A. opalus Miller , Gard. Diet. ed. 8, no. 8 (1768)

( A. opulifolium Chaix ).

Leaves up to 10 cm, but usually less than 8 cm, with 5 wide, short, acute or subacute lobes. Lower surface of leaf often glabrescent except for veins and vein-axils. Peduncles glabrous. • S. W. Europe, extending locally northwards to c. 50° 30' in W. Germany. Co Ga Ge He Hs It.