Zingiber zerumbet

Rhizomes tuberous, aromatic, internally light yellow to yellow. Pseudostems 0.6-2 m tall. Leaves sessile or short-petiolate, sheaths glabrescent, green, blades broadly lanceolate or oblong-lanceolate, 15-40 ? 3-8.5 cm, glabrescent, acuminate at apex, cuneate at base. Inflorescence ovoid to ovoid-oblong or ellipsoid, 6-15 ? 2.5-5 cm, obtuse at apex, erect, 10-45 cm tall with 6-8 cataphylls, mature bracts broadly obovate or spatulate, broadest above middle, broadly rounded or obtuse at apex, 3-3.5 ? 2-3 cm, with red-lineolate margins, initially green, maturing red, bracteoles linear to lanceolate. Calyx 1.2-2.5 cm long, membranous, white, corolla 3.5-5.5 cm long, the lobes lanceolate, pale yellow to white, labellum 1.5-2.5 cm long, pale yellow to white, the central lobe emarginate, the lateral lobes free nearly to base. Stamen ca. 1 cm long, the connective ca. 8 mm long, ovary ca. 4 mm long, glabrous. Capsule ellipsoid or obovoid, 0.8-1.5 cm long, red (Acevedo-Rodr’guez and Strong, 2005).