Pseudostems ca. 50 cm. Ligule 2-lobed, ca. 6 mm, glabrous; petiole 3--6 mm; leaf blade oblong or oblong-lanceolate, 9--15 × 3--4.5 cm, glabrous. Inflorescences numerous, arising from rhizomes, 4--6-flowered; peduncle flexuous, 4--7 cm, glabrous, clothed with 5 or 6 oblong-lanceolate sheaths; bracts linear-lanceolate, ca. 3 cm, glabrous; bracteoles convolute. Flowers red. Pedicel 6--7 mm, sericeous. Calyx ca. 1.8 cm, split on 1 side. Corolla tube ca. 3.8 cm, very slender; lobes ca. 2 cm. Labellum subrhombic, ca. 2.4 cm; lateral lobes ca. 6 mm, apex acute. Anther ca. 1 cm; connective appendage ca. 1 cm.

* Taiwan.