Pseudostems 1--1.2 m. Ligule oblong, 2.5--4.5 × 0.7--1.4 cm, villous to glabrescent; petiole 1--4.5 cm; leaf blade lanceolate, 20--40 × 5.5--8 cm, glabrous, base attenuate, apex caudate-acuminate. Spikes 10--20 × ca. 8 cm, densely numerous flowered; rachis brown hirsute; bracts oblong, 2.5--3 × ca. 1 cm, pubescent, 3-flowered; bracteoles tubular, 2--2.5 cm, hirsute, apex minutely mucronate. Flowers white. Calyx ca. 2.5 cm, hirsute, apex obliquely truncate. Corolla tube 3.3--3.5 cm, villous; lobes linear, ca. 2 cm. Lateral staminodes oblong, ca. 1.8 cm × 4--5 mm. Labellum apically 2-cleft to base; lobes oblong, 1.5--1.8 cm × 4--7 mm. Filament 2.5--2.8 cm, longer than labellum; anther ca. 5 mm. Ovary oblong, ca. 5 mm, brown sericeous. Stigma capitate. Fl. Mar--Jun.
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