Rhizome creeping, slightly flexuous. Stem usually branch-ed distally, 30–100 cm. Petiole 3–5 mm; leaf blade elliptic to ovate-lanceolate, 5–8 × 2–5 cm. Inflorescences pseudolateral, umbellate, 3–10-flowered; peduncle sometimes distinct; pedi-cels 1–2 cm, ridged, usually minutely papillose on ridges. Flowers campanulate. Tepals often purple, sometimes pink to dark red, oblanceolate, 1.2–2 cm × 3–5 mm, base long spurred; spurs straight or sometimes slightly recurved, cylindric, 4–5(–8) mm. Stamens 1.1–1.8 cm, nearly included; filaments 0.7–1.3 cm; anthers 4–5 mm. Ovary 2.5–3 mm. Style 5–9 mm. Berries subglobose, ca. 1.1 cm in diam.
Fl. Jun–Jul, fr. Aug–Nov.
S Yunnan [Bhutan, India, Myanmar, Nepal, Sikkim, Thailand, Vietnam].
Forests; 1200–2400 m.