Pseudostems 1--2 m × 1--3 cm. Leaves sessile; ligule 2--4.5 cm, scarious, densely sericeous, apex rounded; leaf blade adaxially green, abaxially glaucous, oblong-lanceolate, 40--65 × 7.5--13 cm, abaxially sericeous, base broadly cuneate or acute, apex long acuminate. Spikes conical, 15--20 × 4--5 cm; bracts imbricate, ovate or oblong-ovate, 5--6 × 4--5 cm, 4--6-flowered; bracteoles ovate-triangular, 2--4 × 0.5--2 cm, margin involute. Flowers yellow, fragrant. Calyx 4.5--5.5 cm, sericeous, split on 1 side. Corolla tube 6--7 cm. Lateral staminodes oblanceolate, ca. 4 cm × 8 mm; claw red. Labellum broadly obcordate, apex 2-cleft; lobes suborbicular, ca. 3.8 × 2.8 cm. Filament ca. 4 cm; anther ca. 1.6 cm. Ovary densely sericeous distally. Stigma red, ciliate. Fl. Aug.

* Cultivated; ca. 1200 m. NE Guangxi (Guilin Shi).