| Noun | 1. | genus Frasera - genus of North American herbs: columbo; includes some species sometimes placed in genus Swertia dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination family Gentianaceae, gentian family, Gentianaceae - chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals American columbo, American gentian, columbo, deer's-ear, deer's-ears, pyramid plant - any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington Frasera speciosa, green gentian, Swertia speciosa - tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia |