Plants 1.5--3 m tall. Leaves sessile; leaf sheath green, conspicuously longitudinally striate; ligule brownish, entire, 2.5--3 cm, membranous, glabrous; leaf blade adaxially green, abaxially pale green, narrowly oblong-lanceolate or narrowly elliptic-lanceolate, 40--85 × 13--18 cm, glabrous, base cuneate or attenuate, apex acuminate. Spikes 1 or 2, capitate or ovoid-globose, 4.5--6.5(--10) × 5--6 cm; peduncle 2--4 cm, scalelike sheaths leathery, glabrous; bracts ovate or elliptic, 4.5--6 × 5--5.5 cm, apex rounded; bracteoles white, tubular, 3--3.2 cm, membranous, glabrous, apex 2-toothed. Calyx white, clavate, 4--4.5 cm, membranous, glabrous, apex 3-toothed. Corolla white, glabrous; tube 3--3.5 cm; lobes lanceolate, subequal, central one 2.5--3.3 × 0.9--1.1 cm, apex not mucronate. Lateral staminodes absent. Labellum white, densely red dotted at center, with radiate, red veins at margin, narrowly elliptic, 3.2--4 × 2--2.3 cm, margin crisped. Stamen white; filament ca. 1 cm; anther linear, ca. 1.4 cm; connective appendage entire. Ovary white, glabrous. Style white, linear, pubescent; stigma pale green, ciliate. Capsule subglobose. Fl. May.

* Forests; ca. 1600 m. Guangxi, Guizhou, Yunnan.