Rhizomes white or pale creamy inside, ovate-globose, 4--5 × 2.5--3.5 cm; roots bearing tubers. Ligule ca. 1.5 mm; petiole 2--11 cm; leaf blade elliptic-lanceolate, 14--40 × 4.5--9.5 cm, pubescent, base attenuate, apex acuminate. Inflorescences terminal on pseudostems or on separate shoots arising from rhizomes; peduncle 7--14 cm; spike ca. 15 × 7 cm; fertile bracts greenish, broadly ovate, ca. 4 cm; coma bracts pale red, oblong. Calyx white, ca. 1 cm. Corolla tube ca. 2 cm, villous at throat; lobes red, ovate, ca. 1 cm. Lateral staminodes oblong. Labellum yellowish, suborbicular; central lobe 2-cleft at apex. Filament broad; anther ca. 4 mm, base spurred. Ovary villous. Fl. May--Jul. 2 n = 84*.
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