The ornamental design of a flowerplushtoy, as shown.
FIG. 1 is a perspective view of a first embodiment of a flower plush toy with certain features depicted in broken lines and forming no part of the claimed design;
FIG. 2 is a front view of the embodiment of FIG. 1;
FIG. 3 is a rear view of the embodiment of FIG. 1;
FIG. 4 is a right side view of the embodiment of FIG. 1;
FIG. 5 is a left side view of the embodiment of FIG. 1;
FIG. 6 is a top view of the embodiment of FIG. 1; and,
FIG. 7 is a bottom view of the embodiment of FIG. 1.