Herbs 40--80 cm tall. Basal leaves 3--5; leaf sheath 9--25 cm; petiole 10--35 cm, pulvinus 1--2 cm, adaxially tomentose in a line, otherwise glabrous; leaf blade ovate to elliptic, 17--30 × 7--9 cm, glabrous, base rounded to obtuse and abruptly atten-uate, apex acuminate. Inflorescence fusiform, laterally flattened, 5--7 × 1.2--1.6 cm; peduncle 3--20 cm; bracts 6--8, distichous, green, ovate-triangular, 2.5--3.5(--5.5) × 1--1.3 cm, herbaceous, apex acute and apiculate. Flower pairs 1 or 2 per bract, white. Sepals ca. 3 mm. Corolla tube ca. 2.8 cm. Outer staminodes obovate, ca. 9 mm; cucullate staminode ca. 3 mm. Ovary glabrous, ca. 2 mm. Fl. Jun--Sep.

* Open forests, thickets; 700--1100 m. S Yunnan (Mengla Xian).