Anigozanthos is in the Conostylidoideae subfamily, within the Haemodoraceae (a family of perennial herbaceous flowering plants with 14 genera and 102 known species), and under the Commelinales order.
Conostylidoideae Subfamily: Family: Haemodoraceae Order: Commelinales Haemodoraceae is a family of perennial herbaceous flowering plants with 14 genera and 102 known species. 
