1 Hedychium gardnerianum Rhizome , Kahili ginger , Kahila garland lilyHedychium gardnerianum Rhizome , Kahili ginger , Kahila garland lily Hedychium gardnerianum, the Kahili ginger, Kahila garland lily or ginger lily, Hedychium gardnerianum, the Kahili ginger, Kahila garland lily or ginger lily, is a species of flowering plant in the ginger family Zingiberaceae, native to the Himalayas in India, Nepal, and Bhutan. It is an erect herbaceous perennial growing to 8 ft tall with long, bright green leaves clasping the tall