Herb with stout rhizome; buds (youngest shoots) glossy red. "Stem" erect to c.1.5 m. Inflorescence erect. Bracts strongly overlapping, very broad. Perianth pale creamy-yellow, deeper coloured in centre of labellum. See Perianth tube 7-8 cm long; lateral segments c. 4.5 cm long, elliptic-oblanceolate; labellum c. 4.5 x 3.7 cm, suborbicular except for claw, emarginate. Occasionally adventive slightly in lowland Raivavae.