The Collaborative International Dictionary of English v.0.48:

Upland \Up"land\, a.
   1. Of or pertaining to uplands; being on upland; high in
      situation; as, upland inhabitants; upland pasturage.
      [1913 Webster]

            Sometimes, with secure delight
            The upland hamlets will invite.       --Milton.
      [1913 Webster]

   2. Pertaining to the country, as distinguished from the
      neighborhood of towns; rustic; rude; unpolished. [Obs.W2]
      " The race of upland giants." --Chapman.
      [1913 Webster]

   Upland moccasin. (Zool.) See Moccasin.

   Upland sandpiper, or Upland plover (Zool.), a large
      American sandpiper (Bartramia longicauda) much valued as
      a game bird. Unlike most sandpipers, it frequents fields
      and uplands. Called also Bartramian sandpiper,
      Bartram's tattler, field plover, grass plover,
      highland plover, hillbird, humility, prairie
      plover, prairie pigeon, prairie snipe, papabote,
      quaily, and uplander.

   Upland sumach (Bot.), a North American shrub of the genus
      Rhus (Rhus glabra), used in tanning and dyeing.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Rhus glabra
    n 1: common nonpoisonous shrub of eastern North America with
         waxy compound leaves and green paniculate flowers followed
         by red berries [syn: smooth sumac, scarlet sumac,
         vinegar tree, Rhus glabra]