Nyssa multiflora

from The Collaborative International Dictionary of English v.0.48

gum tree \gum" tree`\ n.
   Any tree that exudes a gum, such as:
   (a) The black gum ({Nyssa multiflora}), one of the largest
       trees of the Southern States, bearing a small blue fruit,
       the favorite food of the opossum. Most of the large trees
       become hollow.
   (b) A tree of the genus {Eucalyptus}; a eucalypt. See
       {Eucalpytus.}
   (c) The sweet gum tree of the United States ({Liquidambar
       styraciflua}), a large and beautiful tree with pointedly
       lobed leaves and woody burlike fruit. It exudes an
       aromatic terebinthine juice.
   (d) The sour gum tree.
       [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Pepperidge \Pep"per*idge\, n. [Cf. NL. berberis, E. barberry.]
   (Bot.)
   A North American tree ({Nyssa multiflora}) with very tough
   wood, handsome oval polished leaves, and very acid berries,
   -- the sour gum, or common tupelo. See {Tupelo}. [Written
   also {piperidge} and {pipperidge}.]
   [1913 Webster]

   {Pepperidge bush} (Bot.), the barberry.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Tupelo \Tu"pe*lo\, n. [Tupelo, or tupebo, the native American
   Indian name.] (Bot.)
   A North American tree ({Nyssa multiflora}) of the Dogwood
   family, having brilliant, glossy foliage and acid red
   berries. The wood is crossgrained and very difficult to
   split. Called also {black gum}, {sour gum}, and {pepperidge}.
   [1913 Webster]

   {Largo tupelo}, or {Tupelo gum} (Bot.), an American tree
      ({Nyssa uniflora}) with softer wood than the tupelo.

   {Sour tupelo} (Bot.), the Ogeechee lime.
      [1913 Webster]