Family, Nightshade. Color, dull brownish yellow, marked with purple veins. Calyx, bell-shaped, 5-lobed. Corolla, with a 5-lobed, plaited border, the tube funnel-form. Capsule, surrounded by the calyx, opens by means of a round lid near the top. Flowers, sessile, in the axils of the leaves, in 1-sided, leafy spikes. Leaves, oblong in outline, deeply cut or lobed, acute, sessile, the upper clasping the stem, hairy along the midrib.
A rank-scented, poisonous plant. One of its common names, insane-root, would indicate that eating of its root might produce insanity. In waste places, sandy soil, from Nova Scotia to New York and westward to Michigan.