White turtlehead, balmony, bitter herb, fishmouth, salt-rheum weed, shellflower, smooth snakehead, snakehead, snakemouth, true snakehead, turtle bloom, turtlehead.
A perennial that grows to 3 feet in height. Leaves are opposite, narrow, and 2 to 6 ½ inches long. Flowers are rose-white and about 1 inch long. A pale, beard-like structure is found within the turtlehead flower tube.
August to October.
Low grounds, woodland, margins of streams, and wet thickets.
Herb at flowering time; leaves in spring.
The leaves have been used for reducing inflammation, and as an anthelmintic and tonic.