The bark of the Cinchona is used for Malaria treatment
The fruit of this plant is used for anti flammatory purposes.
The root of the Kava plant is used for sedative purposes
The seed of the Cacao plant dilutes blood cells (it also doubles as the source for chocolate!)
The leaves of the Aloe Vera crack open to produce sap, known as aloe, that is used to reduce skin inflammation and for the healing of burns.