dutchmans breeches

from The Collaborative International Dictionary of English v.0.48

Dicentra \Di*cen"tra\ (d[-i]*s[e^]n"tr[.a]), Prop. n. [NL., fr.
   Gr. di- = di`s- twice + ke`ntron spur.] (Bot.)
   A genus of herbaceous plants, with racemes of two-spurred or
   heart-shaped flowers, including the {Dutchman's breeches},
   and the more showy {Bleeding heart} ({Dicentra spectabilis}).
   [Corruptly written {dielytra}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Dutchman's breeches \Dutchman's breeches\, Dutchman's-breeches
\Dutchman's-breeches\n. (Bot.),
   a delicate perennial spring-flowering herb ({Dicentra
   cucullaria}) of eastern U.S., having peculiar double-spurred
   white flowers. See Illust. of {Dicentra}

   Syn: {Dicentra cucullaria}.
        [1913 Webster + WordNet 1.5]

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