ツリガネニンジン (Adenophora triphylla).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/89279812@N07">harum.koh</a> from Kobe city, Japan
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/harumkoh/21812251773/">Adenophora triphylla</a>