Filbert, a flavorful nut with a brittle shell. Most cultivated filberts are obtained from hybrids of the European hazel, giant hazel, and cobnut trees.
Hazel, or Hazelnut, a shrub or small tree of the birch family. Hazels grow in the temperate regions of Europe, Asia, and North America. See more »
Nut, a term commonly used for an edible or commercially useful seed covered with a hard shell. See more »