spotted mutable Mature leaves of a pale green spotted sptm*-N1620B mutant plant showing green sectors with pale green spots and yellowgreen sectors with tiny dark green spots characteristic of transposon activity.

spotted mutable A mature leaf of a sptm*-N1620B pale green spotted mutant plant showing large green sectors with many tiny yellow green spots and two smaller yellow green sectors with a few tiny green spots scattered within their borders and finally 3 long narrow dark green sectors all distributed in a clonal order characteristic of transposon activity.