Cassia, marilandica-----Family, Pulse. Color, bright golden yellow, growing paler. Leaves, compound, of 8 to 10 pairs of oval leaflets. July and August. The papilionaceous type of corolla is lost here. The petals, 5 in number, are unequal, open and spreading, large, made more conspicuous by the 10 stamens of different lengths, with their large, dark-brown, almost black anthers. No tendrils or odd leaflets terminate the pinnate leaves. A small club-shaped gland marks the joining of each leaf to the main stem on the upper side of the leaf. The flowers terminate the branches in short axillary racemes. The corolla drops off easily, and a specimen gathered for the herbarium must be quickly dried. It grows 3 to 5 feet high, a handsome plant, with slender, hairy pods, 3 inches long, following the blossoms.
Collected and dried, the pods and leaves form the American senna used in medicine. New England to Florida and westward.