Zingiber Miller
General: Pseudostem leafy
Rhizome: tuberous, branched
Leaf: Position: Distichous
Leaf: shape: oblong, lanceolate, linear
Petiole: swollen, cushionlike
Bracts or bracteoles: 1-flowered or 2-flowered, bracteoles not tubular
Inflorescence: conical,arising from rhizomes on peduncle clothed with scalelike sheaths, breaking through leaf sheaths
Calyx: tubular, apex 3-lobed or 3-toothed, split on 1 side
Corolla lobes: central lobe longer and wider than lateral lobes
Labellum: apex lobed or cleft or concave or emarginate
Stamens or staminodes: lateral staminodes adnate to labellum and forming a 3-lobed labellum
Filament: short or absent
Connective: appendage wrapped around style
Ovary: 3-loculed, placentation axile, ovules many per locule
Style: extending beyond anther locules
Fruit: dehiscent
Seed: arillate, aril lacerate