Saltwort

from WordNet (r) 3.0 (2006)

saltwort
    n 1: bushy plant of Old World salt marshes and sea beaches
         having prickly leaves; burned to produce a crude soda ash
         [syn: {saltwort}, {barilla}, {glasswort}, {kali},
         {kelpwort}, {Salsola kali}, {Salsola soda}]
    2: low-growing strong-smelling coastal shrub of warm parts of
       the New World having unisexual flowers in conelike spikes and
       thick succulent leaves [syn: {saltwort}, {Batis maritima}]

from The Collaborative International Dictionary of English v.0.48

Saltwort \Salt"wort`\, n. (Bot.)
   A name given to several plants which grow on the seashore, as
   the {Batis maritima}, and the glasswort. See {Glasswort}.
   [1913 Webster]

   {Black saltwort}, the sea milkwort.
      [1913 Webster]