the white turtlehead (chelone glabra)

white turtlehead chelone glabra background beautiful beauty bloom blooming blossom botany chelone glabra close closeup cluster environment figwort flora floral flower flowering plant fresh garden green growth health herbal lavender-tinged leaf medicine native natural nature north america outdoor perennial petal petals riparian shellflower stalk stem summer summer flowering supplement twisted shell turtlehead wildflower woodland