| Name | Zingiber zerumbet var. magnum Elmer | 
| Authorship | Elmer | 
| Rank | Variety | 
| Placed in | Zingiber zerumbet (Linnaeus) Roscoe ex Smith | 
| Citation | 1919 Leafl. Philipp. Bot. 8: 2922 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Zingiber zerumbet var. magnum Elmer | 
| Identification made in | [no date] (1), 2023 (1) | 
