Acer hyrcanum, Fischer & C. A. Meyer

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

11. A. hyrcanum Fischer & C. A. Meyer , Ind. Sem. Horti Petrop. 4: 31 (1837)

(inch A. intermedium Pancic ).

Leaves up to 10 cm, with 5 long, narrow, parallel-sided lobes. Lower surface of leaf glabrous or slightly hairy. Balkan peninsula. Al Bu Gr Ju. A. reginae-amaliae Orph. ex Boiss. , Diagn. Pl. Or. Nov. 3 (1): 109 (1853), described from the mountains of C. Greece, has 3(-5)-lobed, glabrous leaves only 2-4 cm. It is closely related to 11 and perhaps best treated as a variety.