Spiked Lobelia is an upright, smooth to slightly hairy perennial, with stems that usually branch at the top. Its preferred habitat is stream banks and moist places. Distribution is throughout the Escambia region. The leaves are alternate on the stem, consisting of one whole part, sessile or nearly so, oblong to widest at the middle, with margins toothed or nearly smooth. The leaf tip is obtuse and the base is wedge-shaped. The flowers are arranged in racemes. Each flower is bisexual in nature, not symmetrical in form. The calyx is five lobed and the corolla is bilabiate, with the upper lip being two-lobed and the lower lip being three-lobed. The color is light to dark blue. Fruit is a capsule. Other names by which the plant is known are Pale-Spike Lobelia and Rough-Spiked Lobelia.