Synonyms: Achasma metriocheilos (homotypic); Achasma sphaerocephalum; Achasma sphaerocephalum var. grandiflorum; Achasma sphaerocephalum var. majus; Achasma sphaerocephalum var. petiolatum; Amomum metriocheilos (homotypic); Amomum sphaerocephalum; Etlingera metriocheilos var. grandiflora; Etlingera metriocheilos var. major; Etlingera metriocheilos var. petiolata; Etlingera metriochilos var. grandiflora; Etlingera metriochilos var. major; Etlingera metriochilos var. petiolata; Etlingera sphaerocephala; Etlingera sphaerocephala var. grandiflora; Etlingera sphaerocephala var. major; Etlingera sphaerocephala var. petiolata; Hornstedtia albomarginata; Hornstedtia metriocheilos; Hornstedtia spathulata; Hornstedtia sphaerocephala