Pseudostems 13--24 cm. Leaves 1--4, usually 3; ligule 2-cleft, 3--5 mm, margin ciliate; petiole 0.3--4.5 cm, pubescent; leaf blade adaxially uniformly green, long elliptic or oblanceolate, 14--40 × 3--7 cm, leathery, glabrous except pubescent along midvein and at margin, base obliquely cuneate, apex acute. Spikes erect, 5--9 cm, densely pubescent; peduncle 1--5 cm; involucral bract oblong or linear-lanceolate, 3.5--14 cm, puberulent; bracts pale green, oblong-elliptic, boat-shaped, 1--2.5 cm, 2-or 3-flowered, persistent. Calyx white, ca. 1.5 cm, slightly split on 1 side, puberulent, apex 2-or 3-toothed. Corolla tube white, equaling calyx; lobes yellowish, oblong, ca. 9 × 5 mm. Lateral staminodes red, linear, ca. 4 mm. Labellum yellowish with red stripes, broadly obovate, ca. 7 mm wide, margin toothed, apex 2-cleft. Stamen ca. 1.5 cm; connective emarginate, rarely with deltoid appendage. Ovary glabrous. Capsule red, ovoid to ellipsoid, ca. 1.5 × 1 cm. Fl. May, fr. Oct--Nov.
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