An annual herb about 1 ft. high; stem extremely slender, simple or slightly branched, terete, glabrous, leafless except a pair of small linear leaves 2–4 in. from the base. Basal leaves broadly ovate to oblong-lanceolate, 4–9 lin. long, 1 1/2–4 1/2 lin. broad, obtuse, entire or few-toothed, pilose, scabrid. Flowers in a somewhat loose narrow terminal spike, 1/2– 3/4 in. long; bracts ovate, 1 1/4 lin. long, 2/3 lin. broad, acuminate, minutely pubescent, ciliate, concave; bracteoles linear-lanceolate, 1 1/3 lin. long, otherwise as the bracts. Calyx 2 1/3–2 1/2 lin. long, pubescent, prominently 10-nerved; teeth 2/3– 3/4 lin. long, subulate-lanceolate, slightly concave. Corolla violet-blue; tube cylindric, straight, 3 lin. long, sparingly pilose outside, rather densely pilose at the throat inside; lobes oblong-obovate to obovate, 1 1/4–1 1/2 lin. long, 2/3 lin. broad. Anthers acuminate. Style 3/4 lin. long. Capsule oblong-ovoid, 3 lin. long, scarcely beaked, bisulcate,