Family, Gentian. Color, white. Calyx, of 5 long, narrow divisions. Corolla, with a short tube and spreading, 5-parted border, 5 small glands appearing at the fringed bases of the lobes. Pedicels long and slender. Leaves, roundish, heart-shaped at base, thick, on thread-like, very long petioles. June to August.

A perennial aquatic, with roots in the mud of shallow waters everywhere in the Eastern States. From the roots in spring arise very long stems bearing a heart-shaped leaf, from the notch of which an umbel of flowers on short pedicels comes up, accompanied by a cluster of elongated tubers or thickish roots. The heart-shaped leaves float on the water.