Photo: Chelone glabra 2.

Flowers. Kew Garden, London, UK. Planted. 2005-09-12.

Chelone glabra L.
Engl.: white turtlehead, balmony, salt-rheum weed, shellflower, snakehead, turtlebloom, turtlehead.
Deu.: Kahle Schildblume, Kahler Schlangenkopf.
Bot. syn.: Chelone chlorantha Pennell & Wherry, Chelone montana (Raf.) Pennell & Wherry