Pseudostems 1--2 m. Leaves sessile; ligule strigose abaxially and at margin, apex rounded; leaf blade linear-lanceolate, ca. 60 × 10 cm, glabrous except villous at margin, base cuneate, apex acuminate. Racemes erect, ca. 27 cm, lax; peduncle hirsute; bracteoles ca. 2.2 × 1.7 cm, split on 1 side, glabrous, apex 2-or 3-lobed. Pedicel held at right angle to rachis. Calyx cylindric, ca. 2 cm, split on 1 side, base shortly hirsute abaxially, apex 3-lobed, ciliate. Corolla tube cylindric, ca. 1.3 cm, abaxially glabrous; central lobe obovate, ca. 3 × 2.5 cm, apex emarginate or 2-cleft, ciliate; lateral lobes oblong-spatulate, narrower than central one. Lateral staminodes warty, hirsute. Labellum orbicular, ca. 3 cm in diam., margin denticulate, apex 2-cleft. Filament ca. 1 cm; anther obsagittate, ca. 1 cm. Ovary oblong, ca. 1.3 cm, densely villous. Fl. Jul.
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A ginger family herb. The false stems are 1-2 m tall. The leaves do not have stalks. The leaf blades are narrowly sword shaped and 60 cm long by 10 cm wide. The base is wedge shaped and it tapers to the tip. The fruit are 1.3 cm across.
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