Herbs 20–27 cm tall. Rhizome slender, branched. Leaves 3–7; petiole 2–4.5 cm; leaf blade light green abaxially, green adaxially, triangular ovate, obovate, or suborbicular, 2.5–4.5 × 2–3.5 cm, thickly leathery, rough, base rounded or truncate, margin conspicuously crenate, apex obtuse. Scales at base of scape, narrowly oblong, 8–12 × 3–5 mm; raceme 6–9 cm, 9–12-flowered. Pedicel 5–10 mm; bracts oblong-lanceolate, slightly longer than pedicel, membranous, apex acute. Flowers nodding, saucer-shaped, 1–1.5 cm in diam. Sepals triangular or triangular-ovate, 1.5–2.5 × 1.5–2 mm, apex obtuse. Petals greenish yellow, ovate or suborbicular, 7–9 × 5–7 mm. Filaments flattened; anthers yellow, oblong, tubules present. Style exserted, ca. 1 cm, curved at upper part, dilated at apex into a ring. Capsules 5–7 mm in diam. Fl. Jul–Aug, fr. Aug–Sep.
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