- flower-of-an-hour as a noun:
- 1
flower-of-an-hour
noun
1 flower-of-an-hour
Annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America.
synonyms: black-eyed Susan, bladder ketmia, flowers-of-an-hour, Hibiscus trionum.
debug info: 0.0237