| Name | Description |
|---|---|
| apetalus |
without petals |
| aphylla |
leafless |
| aphyllus |
leafless |
| apiculata |
abrupt short point |
| apiculatus |
abrupt short point |
| apiifolia |
parsley-leaved |
| apiifolius |
parsley-leaved |
| aquatica |
in water |
| aquaticus |
in water |
| aquatilis |
living in water |
| aquea |
clear like water |
| aqueus |
clear like water |
| aquifolia |
holly like |
| aquifolius |
holly like |
| aquilegifolia |
leaves like the genus Aquilegia |
| aquilegifolius |
leaves like the genus Aquilegia |
| arachnoides |
like a spider or spider's web |
| arborescens |
tree like |
| arboricola |
living in trees |
| arbuscula |
dwarf tree |
| arcana |
closed |
| arcanus |
closed |
| arenaria |
relating to sand |
| arenarius |
relating to sand |
| arenicola |
living in sand |