Costus lucanusianus at Xishuangbanna Tropical Botanical garden (XTBG) (By Zhu Renbin) The species is native to Tropical Africa (Burkina, Burundi, Cabinda, Cameroon, Central African Republic, Chad, Congo, Gabon, Guinea, Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo, Uganda and Zaire) where it grows in the humid forests up to about 1200 m of altitude. Common names: African spiral flag, spiral ginger (English); canne d’eau (French). |