Large white flowers inhabited by the shadows of old summer hats. It is beautiful in all the ways a small plant can be beautiful, but somehow it falls short of enchanting.
You couldn't fall asleep by it in the spring sunshine , wrapped in the quilt of its warm glory. It has the sense about it of cricket whites that have been bundled in a sports bag after the game
and forgotten for a few days. Nice try. Really really nice try, but...
Stearn, incidentally, calls it "one of the most beautiful species of the genus".
Introduced by Mikinori Ogisu from Baoxing Xian in Sichuan, China.