The rose of Sharon blooms in the morning and falls by evening, lasting only a single day.
Tips
history
蕣 is a classical name for the hibiscus / rose of Sharon, displaced in modern Chinese by 木槿. It is not used independently today; you meet it only in old poetry and botanical glosses. It shares its phonetic with 舜 (the legendary sage-king).
register
Classical and literary only. Use 木槿 in modern Chinese for this flower.