Senna marilandica (Maryland Senna) is a species of perennial herb in the family legumes. They have a self-supporting growth form. They are native to The Contiguous United States. They have compound, broad leaves and yellow flowers. Flowers are visited by Crematogaster, Formica schaufussi, Carpenter ant, and Nine-spotted Lady Beetle. Individuals can grow to 6.6 feet.
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