| 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) |
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