Pseudostems to 3 m. Leaf sheath striate, pubescent; ligule 2-lobed or-cleft, 1--1.5 cm, abaxially pubescent, margin ciliate; petiole 2.5--6 cm, pubescent; leaf blade oblong, 18--90 × 7.5--18 cm, adaxially glabrous, abaxially sparsely pubescent, base obliquely cuneate, margin ciliate, apex caudate. Panicles suberect, 16--36 cm, densely pubescent; branches 3--14 mm, apically 1--3-flowered; involucral bracts 2, oblong, 15--24 × ca. 2.8 cm, abaxially pubescent, early deciduous; bracts oblong, 2--5 mm, deciduous; bracteoles deep red, shell-shaped, 2--3.3 cm, deciduous, margin ciliate. Pedicel 1--2 mm. Calyx pale red, ca. 1.5 cm, apex 3-toothed, ciliate. Corolla tube ca. 1 cm, densely pubescent at throat; lobes white tinged with red, oblong, ca. 2.2 cm × 7 mm, apex cucullate, central lobe wider than lateral ones. Lateral staminodes purple, linear, (2--)5--9 mm. Labellum yellow with purple stripes, ovate, ca. 4 × 3 cm, base rounded, margin undulate, apex emarginate. Filament ca. 1.6 cm; anther ca. 1 cm. Ovary densely pubescent. Capsule red, globose, smooth. Fl. Apr. 2 n = 48*.