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flower-of-an-hour

DEFINITIONS OF: flower-of-an-hour

1

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

Synonyms:
Hibiscus trionum, black-eyed Susan, bladder ketmia, flowers-of-an-hour
Type of:
hibiscus
any plant of the genus Hibiscus
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