annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America
<noun.plant>
<noun.plant>
| Hibiscus trionum |
|
| black-eyed Susan |
|
| bladder ketmia |
|
| flower-of-an-hour |
|
| flowers-of-an-hour |
|
semantic pointers
hypernym