What are the characteristics of hibiscus?

Hibiscus is a plant which is popular for it's large, tropical flowers. It is also used to reduce fever, as an analgesic, pain reliever, and limits spasms. Recent laboratory tests reveal that hibiscus is found to be useful in lowering blood pressure and cholesterol reduction in the blood. They have also shown positive results in reducing bad cholesterol levels (LDL) found in extremely fat diets because hibiscus limits the adherence of cholesterol to artery walls. Regular use of hibiscus herbs promotes proper blood circulation and minimizes Heart diseases. They are also now used as a tea.