T. japonica inflorescences consistently have 5 staminodes, which is a reliable trait distinguishing it from T. cordata and T.

[3] Recent studies indicate T.japonica to play an important role in maintaining the ectomycorrhizal networks in local forests it grows in Japan.

Its 'Ernest Wilson' cultivar has gained the Royal Horticultural Society's Award of Garden Merit.

[5] Its wood was used for furniture, and due to its straight grain is still occasionally used for veneers.

Tilia japonica's innermost bark, known as bast, was used by the Ainu for clothing, attus.