Pseudostems 1--3 m. Ligule ca. 6 mm, apex villous; petiole to 2 cm; leaf blade adaxially dark green, abaxially pale green, lanceolate or oblanceolate, 45--60 × 4--15 cm, adaxially glabrous, abaxially densely villous or glabrous, base attenuate, apex acuminate, mucronate. Racemes drooping, 20--30 cm; rachis hirsute; bracteoles green, elliptic, 3--4 cm, dry and brittle, sparsely villous or glabrescent, 1-flowered, early deciduous at anthesis. Pedicel 4--8 mm, slightly elongate in fruit. Calyx ellipsoid, 2--2.5 cm, split on 1 side, margin ciliate, apex 3-toothed. Corolla flesh-colored; tube ca. 1 cm, pubescent at throat; central lobe suborbicular, ca. 2 cm wide; lateral lobes broadly lanceolate, 2--2.5 cm. Lateral staminodes subulate, 6--7 mm. Labellum red with yellow center, ovate, 3--3.5 × ca. 3 cm, apex acute. Filament ca. 7 mm; anther ca. 1.7 cm. Ovary oblong, tomentose. Capsule ellipsoid, ca. 3 × 2 cm, pubescent. Seeds gray-yellow to dull brown, forming globose clumps 1.2--1.6 cm in diam. Fl. Mar--Jul, fr. Apr--Dec.

Medicinal.

Dense or sparse forests; 400--1200 m. Guangdong, Guangxi, Yunnan [Bangladesh, India, Laos, Myanmar, Thailand, Vietnam].