black walnut (Juglans nigra)

See also walnuts

  • The black walnut is large deciduous tree native to North America.
  • The fruit of this tree is a drupe containing a single seed, the walnut. You have to crack open this seed to get the nut kernel.
  • If you are picking walnuts, the drupe and the shells contain chemicals that will stain your fingers. Walnuts have been used for dying clothes and making inks.