Lycopus uniflorus Michx.

Plants stoloniferous, each stolon ending in a shallow tuber from which the solitary stem arises the next year; herbage inconspicuously hairy or glabrous; lvs lanceolate or oblong, 2–6 cm, acute or short-acuminate, with a few low teeth, the proximal margins straight or slightly convex, rarely slightly concave; cal-lobes 5; cor 5-lobed, the lobes ± spreading; stamens exsert; nutlets surpassing the cal, each 1.1–1.8 mm, three-fourths as wide, the tubercles commonly 3 and restricted to the peripheral margin, the interior angle distinctly shorter than the outer ones and not ending in a tubercle, the set of 4 nutlets therefore with a depressed center; 2n=22. Nf. and e. Que. to Alas., s. to N.C., Ark., and Calif. (L. virginicus var. pauciflorus)

It is a temperate plant. It grows in boggy ground. Nearer the equator it grows at higher altitudes. It suits hardiness zones 3-7.

The tubers can be added to tossed salad or added to relish. They can be boiled or pickled and used in soups and stews. They can be boiled in salt water and eaten.

Can be grown by seedlings.