| per | not allowing contradiction or refusal |
|---|---|
| per | offensively self-assured or given to exercising usually unwarranted power |
| per | survive from season to season, of plants |
| per | the process of living through a number of years (as a perennial plant) |
| per | a plant lasting for three seasons or more |
| per | recurring again and again |
| per | (botany) lasting three seasons or more |
| per | lasting an indefinitely long time |
| per | perennial climber of central and southern Europe having purple or pink or white flowers |
| per | coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico |
| per | European perennial grass widely cultivated for pasture and hay and as a lawn grass |
| per | a variety of aster |