The bamboo orchi (Arundina graminifolia; syn. Arundina bambusifolia Lindl., Arundina speciosa Blume, Bletia graminifolia D.Don) is a species of orchid and the sole member of the genus Arundina. This tropical Asiatic genus extends from India, Nepal, Thailand, Malaysia, Singapore, South China to Indonesia and across the Pacific Islands. It was introduced to Puerto Rico, Costa Rica , Guatemala and Panama.