Medicinal shrubs are plants that have been used for centuries to treat a variety of ailments. Two examples of medicinal shrubs are Sennas and Aloes. Sennas, also known as Cassia senna, is a flowering shrub native to tropical regions of Africa and Asia. It has been used in traditional medicine to treat constipation, liver problems, and skin conditions. Aloes, or Aloe vera, is a succulent plant native to the Arabian Peninsula. It has been used to treat burns, wounds, and digestive issues.