Color, yellow, sometimes purplish within. Corolla, deeply 2-lipped. Flowers, in pairs, at the top of a long peduncle, from the upper axils. Minute bracts under the pair of flowers. Berries, quite separate, or slightly united at base, red or crimson. Leaves, 1 to 2 inches long, opposite, oblong or lance-shape, downy at least when young. May and June.
Swamps, especially in larch and arbor-vitas woods, from Maine to western New York.