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| 1 Leaves all basal; [tribe Hedychieae] |
| 1 Leaves cauline. |
| ..2 Inflorescence open, the rachis exposed; [tribe Globbeae] |
| ..2 Inflorescence congested into a conelike or cylindrical head. |
| ....3 Inflorescence terminal on long pseudostems with normal, well-developed leaves; [tribe Hedychieae] |
| ....3 Inflorescence terminal on short stems with scale leaves, distinct from the main leafy stems |
| ......4 Inflorescence cylindrical, the bracts spreading; perianth white; [tribe Hedychieae] |
| ......4 Inflorescence conelike, the bracts imbricate; perianth pale yellow; [tribe Zingibereae] |