rydberg's penstemon

1 definition found

rydberg's penstemon - WordNet (r) 2.1 (2005) :

  Rydberg's penstemon
      n 1: plant with whorls of small dark blue-violet flowers;
           Washington to Wyoming and south to California and Colorado
           [syn: Rydberg's penstemon, Penstemon rydbergii]