Wordnet 3.0
NOUN (1)
1. 
 any of various tall perennial herbs constituting the genus Frasera; 
 widely distributed in warm dry upland areas of California, Oregon, and Washington; 
[syn: columbo, American columbo, deer's-ear, deer's-ears, pyramid plant, American gentian]
WordNet (r) 3.0 (2006):
pyramid plant
    n 1: any of various tall perennial herbs constituting the genus
         Frasera; widely distributed in warm dry upland areas of
         California, Oregon, and Washington [syn: columbo,
         American columbo, deer's-ear, deer's-ears, pyramid
         plant, American gentian]