This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Lopseed. Color, deep rose. Leaves, 3 to 5 inches long, thin, ovate, pointed, coarsely toothed, the lower on long petioles. A plant 1 to 3 feet high, with 2-lipped calyx and corolla. There are 3 bristly teeth on the upper lobe of the calyx, hooked at the tip. The corolla has 3 large lobes on its lower lip. Fruit, a single seed, around which the calyx infolds itself. Small flowers, in pairs, are arranged in long spikes terminating the numerous branches. The calyx turns downward after flowering and hugs the stem. July and August.
Moist, open, but shaded woods, Canada and Minnesota south to Florida and Kansas.
 
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