ALL meanings of flower-of-an-hour
flow·er-of-an-hour
F f - noun flower-of-an-hour a malvaceous Old World herbaceous plant, Hibiscus trionum, having pale yellow flowers with a bladder-like calyx 0
- noun flower-of-an-hour a weedlike annual plant (Hibiscus trionum) of the mallow family, having yellow or white flowers with dark centers 0