Agave atrovirens

from WordNet (r) 3.0 (2006)

Agave atrovirens
    n 1: Mexican plant used especially for making pulque which is
         the source of the colorless Mexican liquor, mescal [syn:
         {maguey}, {Agave atrovirens}]

from The Collaborative International Dictionary of English v.0.48

Maguey \Mag"uey\, n. [Sp. maguey, Mexican maguei and metl.]
   (Bot.)
   Any of several species of {Agave}, such as the {century
   plant} ({Agave Americana}), a plant requiring many years to
   come to maturity and blossoming only once before dying; and
   the {Agave atrovirens}, a Mexican plant used especially for
   making {pulque}, the source of the colorless Mexican liquor
   {mescal}; and the {cantala} ({Agave cantala}), a Philippine
   plant yielding a hard fibre used in making coarse twine. See
   {Agave}.
   [1913 Webster + WordNet 1.5]

   2. A hard fibre used in making coarse twine, derived from the
      Philippine Agave cantala ({Agave cantala}); also called
      {cantala}.
      [WordNet 1.5]