Source : Webster's Revised Unabridged Dictionary (1913)

Indigofera \In`di*gof"e*ra\, n. [NL., from E. indigo + L. ferre
   to bear.] (Bot.)
   A genus of leguminous plants having many species, mostly in
   tropical countries, several of them yielding indigo, esp.
   {Indigofera tinctoria}, and {I. Anil}.

Source : WordNet®

Indigofera
     n : genus of tropical herbs and shrubs having odd-pinnate leaves
         and spurred flowers in long racemes or spikes [syn: {genus
         Indigofera}]