flowers-of-an-hour

Definitions of flowers-of-an-hour

1. noun

   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, flower-of-an-hour

   type of:

   hibiscus

   any plant of the genus Hibiscus