Subshrubs 70-100 cm high. Stems terete, usually densely pubescent or glabrous. Petiole 3-6 mm; leaf blade ovate-oblong or ovate-lanceolate, 3-5 × 1.5-2 cm, subleathery when dry, base cuneate, apex acute or subrounded. Inflorescence axillary or terminal spikes, 6-16 mm; peduncle minutely puberulent; bracts lanceolate. Tepals 4, yellowish green, lanceolate, puberu-lent, margin ciliate, apex acute. Stamens 5 or 6, ca. 2.5 mm. Style glabrous. Utricle compressed lenticulate, ca. 1 × 0.8 mm. Seeds purple, orbicular, reniform. Fl. Jul.

* Near streams, in forests; 900-2200 m. Yunnan.