Also from S. Africa, Honeybush looks and brews similar to Rooibos but it is darker in color and sweeter in taste. Honeybush has its own flavor and does not really compare directly with Rooibos. Like Rooibos, you cannot ruin a cup of Honeybush by oversteeping or overbrewing, it just gets sweeter the longer you let it go.
Essiac or Essiac Tea is a blend of herbs used to make a tea that is believed by some to have cancer-treating properties. Originally used by Native American tribal medicine men, the recipe was rediscovered by a Canadian nurse, Rene Caisse, R.N. in 1922, as she was attending to a woman who had previously cured her breast cancer with an herbal remedy given to her by a North American Indian shaman in the 1890s. Known as "Nurse Caisse" or "Miss Caisse", Rene named her version of the recipe - her last name spelled backwards. She continued to help people suffering with cancer up until she died in 1978. (From Wikipedia)