注:名称已修订,正名是:金佛山兰 Cephalanthera nanchuanica
Tangtsinia nanchuanica S. C. Chen, Acta Phytotax. Sin. 10: 195. 1965. 金佛山兰 jin fo shan lan
Plants leafy, autotrophic, 15–35 cm tall. Rhizome 1–2 cm, 0.4–0.8 cm in diam.; roots 2.5–4 mm in diam. Stem slender, with several sheaths at base, 4–6-leaved. Leaves elliptic to lanceolate, 6–9 × 1.2–3 cm, 5–7-veined, apex acute to acuminate. Inflorescence 3–6-flowered or rarely only 1- or 2-flowered; rachis 3–6 cm; floral bracts deltoid-lanceolate, much reduced, 1–1.5 mm, though lowest one to 10 mm. Flowers erect, weakly spreading, yellow, base slightly tinged with white; pedicel and ovary 13–16 mm. Sepals narrowly elliptic to elliptic, 15–17 ×3.5–4.5(–5.5) mm, 5-veined, apex obtuse. Petals obovate-elliptic, 11–13 × 4–4.5(–5.5) mm, apex obtuse; lip similar to petals, not distinct, lacking lamellae, spurless.Column yellowish green, subtrigonous-cylindric, 6–8 mm, apex slightly dilated, with 3 large and 2 small wings; large wings white, spotted with silver, subligulate; smaller wings inconspicuous, similar in color to column; anther oblong-ovoid, ca. 1.5 mm; filament broad, subovate-lanceolate, 1–1.5 mm; pollinia white, narrowly falcateovate, ca. 1.6 mm. Capsule erect, subellipsoid, ca. 2 × 0.7 cm. Fl. Apr–Jun.
● Openings in forests, thicket margins, grassy slopes; 700–2100 m. Chongqing, N Guizhou.