Not an accepted name (status: unknown). No accepted name is recorded for it yet.

Acer oblongum subsp. itoanum Hatusima. (Hay.), 1824 2% complete

No common name

Journal of the College of Science, Imperial University of Tokyo 30(1): 67–68. 1911. (J. Coll. Sci. Imp. Univ. Tokyo)

There is no corrections for Acer oblongum subsp. itoanum yet.