This is a perennial herb, growing from four to six feet high, with round, smooth, and slightly hairy stems. The leaves have long petioles, ovate at base; each petiole has eight or ten leaflets, which are oblong, smooth, mucronate, an inch or two long, and quite narrow. The flowers are bright yellow, and the fruit is a legume from two to four inches long.
Senna marilandica (American Senna)
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