also: いわうちわ
noun
Nippon bells; Shortia uniflora
A perennial plant native to Japan, known for its bell-shaped flowers. The name is usually written in katakana.
イワウチワは春に白い花を咲かせます。
Nippon bells bloom white flowers in spring.
山でイワウチワを見つけました。
I found Nippon bells in the mountains.
The name イワウチワ literally means 'rock fan', referring to the shape of its leaves. The exact origin of the name is uncertain.