Plants 1.5--3 m tall. Leaves sessile; leaf sheath conspicuously striate, red on basal leaf; ligule brownish, entire, 1--1.5 cm, membranous, glabrous; leaf blade oblong-lanceolate, 50--60 × 7--10 cm, glabrous, base cuneate, apex long caudate. Spikes subcapitate, 4.5--5 × 5--6 cm; peduncle 2--7 cm, scalelike sheaths pale red; bracts ovate-orbicular or ovate, 4.5--5 × 3.5--4 cm; bracteoles purplish red with brownish apex, tubular, ca. 3 cm. Calyx pale purplish red, ca. 3.2 cm, slightly hairy, apex 3-toothed. Corolla tube yellowish, ca. 2.5 cm, glabrous; lobes pale purplish red, linear, 2.5--3 cm. Lateral staminodes absent. Labellum yellow with 2 red stripes from center to base, obovate, 3.8--4.2 × 2--2.1 cm, base attenuate, distal margin fimbriate. Filament ca. 8 mm; anther white, linear, ca. 1.4 cm; connective appendage white, entire. Ovary slightly hairy. Fl. Apr.

* Forests; ca. 800 m. S Yunnan.