Schwalbea americkna - Family, Figwort. Color, dull, yellowish purple. Calyx, tubular, 5-toothed, with a pair of bracts at its base. Corolla, 2-lipped, the upper lip entire, the lower 3-lobed, 2-plaited. Flowers, large, irregular, nearly or quite sessile, forming a terminal, loose spike. Stem, straight, slender, 1 to 2 feet high with few branches, glandular, and softly hairy. Leaves, entire, oblong to ovate, pointed at both ends, sessile, passing into linear bracts above. May to July.

In wet, sandy soil, near the coast, from Massachusetts to Louisiana.