Pseudostems more than 2 m. Leaves sessile or shortly petiolate; ligule 2-lobed, ca. 8 mm, abaxially villous; leaf blade lanceolate, ca. 50 × 10 cm, glabrous except ciliate at margin, base attenuate, apex abruptly acuminate. Spikes ca. 15 cm, densely many flowered, densely villous; bracteoles shell-shaped, 2.5--3 cm, apex 2-or 3-toothed. Pedicel very short or absent. Calyx ca. 2 cm, split to middle on 1 side, abaxially hirsute, margin and apex slightly hairy. Corolla tube ca. 1 cm; lobes 3--5 cm, central one obovate-spatulate, ca. 1.5 cm wide. Lateral staminodes 4--5 mm. Labellum yellow-red toward center, yellow at margin, ovate-rhomboidal, 4--4.5 × ca. 3 cm, throat hirsute, margin erose-denticulate, apex caudate, not 2-lobed. Stamen ca. 4 cm; anther linear, ca. 1.5 cm. Ovary ca. 1 cm, densely villous. Style glabrous. Fl. May.
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A ginger family herb. The false stems are 2 m tall. The leaves have short stalks. The leaf blades are sword shaped and 50 cm long by 10 cm wide. The spikes are 15 cm long. There are many flowers densely arranged.
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