The Collaborative International Dictionary of English v.0.48:

Checkerberry \Check"er*ber`ry\ (ch[e^]k"[~e]r*b[e^]r`r[y^]), n.;
   pl. Checkerberries. (Bot.)
   A spicy plant and its bright red berry; the wintergreen
   (Gaultheria procumbens). Also incorrectly applied to the
   partridge berry (Mitchella repens).
   [1913 Webster]