| Name | Description |
|---|---|
| anacantha |
without spines |
| anacanthus |
without spines |
| anemophila |
wind-loving |
| anemophilus |
wind-loving |
| angulosa |
with corners, prominent ridges |
| angulosus |
with corners, prominent ridges |
| angustata |
narrowed |
| angustatus |
narrowed |
| angustifoliata |
narrow leaves |
| angustifoliatus |
narrow leaves |
| annua |
annual |
| annularis |
ring shaped, ringed |
| annuus |
annual |
| anopetala |
petals ascending |
| anopetalus |
petals ascending |
| anosma |
unscented |
| anosmus |
unscented |
| anserina |
belonging to geese |
| anserinus |
belonging to geese |
| anthopogon |
bearded flower |
| anthracina |
the color of coal |
| anthracinus |
the color of coal |
| aperta |
open |
| apertus |
open |
| apetala |
without petals |