stick-tight

from The Collaborative International Dictionary of English v.0.48

stick-tight \stick"-tight`\, n. (Bot.)
   1. any of several plants having seeds tipped with barbs that
      may cling to fur or clothing, especially those of the
      genus {Bidens}, also called {bur marigold},
      {beggar-ticks}, and {Beggar's ticks}, which have prickly
      flattened achenes. --RHUD
      [1913 Webster +PJC]

   2. a seed from a sticktight[1].
      [PJC]