1. Any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington
   "American columbo plants thrived in the arid climate of the American West";
   - columbo, deer's-ear, deer's-ears, pyramid plant, American gentian

Type of: herb, herbaceous plant

Part of: Frasera, genus Frasera

Encyclopedia: American columbo