Iris f[oe]tidissima

from The Collaborative International Dictionary of English v.0.48

Gladen \Gla"den\, n. [AS. gl[ae]dene, cf. L. gladius a sword.
   Cf. {Gladiole}.] (Bot.)
   Sword grass; any plant with sword-shaped leaves, especially
   the European {Iris f[oe]tidissima}. [Written also {gladwyn},
   {gladdon}, and {glader}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

gladdon \glad"don\ n.
   An iris ({Iris foetidissima}) with purple flowers and
   evil-smelling leaves; Southern and Western Europe and North
   Africa.

   Syn: gladen, stinking iris, gladdon iris, stinking gladwyn,
        roast beef plant, {Iris foetidissima}.
        [WordNet 1.5]

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