Senna marilandica
Encyclopedia
Senna marilandica, or Maryland Wild Senna, is a flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

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