Pipturus albidus
 
This ancient native Hawaiian plant is indigenous to Hawaii and cannot be found anywhere else in the world. It is a part of the nettle family and grows into a shrub or tree with heart shaped leaves that have prominent red veins that produce edible white berries that grow along the branches. It is an important native food source for only two native butterflies Pulelehua Kamehameha or Kamehameha butterfly (Vanessa tameamea) and Koa or Blackburn butterfly (Udara blackburni) and has long been used as a medicinal herb for a variety of general debilities. 
Historically, Mamaki has been used by Indigenous Hawaiians as food where the leaves and berries were eaten and made into medicinal tonics.  The bark was used for making coarse brown kapa and cordage from the fibrous bark.  Fruits were used as a laxative and the leaves were made into tonic teas for cleansing the blood, strengthening the cardiovascular system, and detoxifying the body. It has been used for regulating blood sugar and supporting the liver. It is a nervine and digestive tonic for the stomach, intestines, and colon aiding in relaxing the muscles of the gastric system. Mainly, used for general weakness in the body to increase vitality and energy when feeling depleted, exhausted, and overworked.