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Key to Zingiberaceae

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]