flower-of-an-hour

英 [f'laʊər'əv'æn'aʊər] 美 [f'laʊər'əv'æn'aʊər]

• n. 野西瓜苗(Hibiscus trionum)

英英释义

Noun:

1. annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America