James N. Moore wrote "Ornamental dwarf peach--Tom Thumb."

A new ornamental dwarf peach variety was created from the seeds of the Tsukuba #2 peach rootstock variety.The dwarf peach variety can be distinguished by its dwarf plant size, persistent dark red foliage, and symmetrical plant shape.

Moore, J. N.Tom Thumb is a dwarf peach.There are patents granted.Thescholarworks.uark.edu/pat/229