Description from Flora of China
Goodyera viridiflora (Blume) Blume var. seikoomontana (Yamamoto) S. S. Ying; G. youngsayei S. Y. Hu & Barretto.
Plants terrestrial, 14-25 cm tall. Rhizome stout, several noded. Stem ascending, 3-10 cm, 3-5-leaved. Leaves spaced along stem, slightly fleshy, both surfaces green, without white markings, elliptic or oblong-ovate, 3-7.5 × 1.5-3.5 cm, with 3 distinct veins, base subrounded, apex acute or acuminate; petiole-like base and tubular sheath 1-3.5 cm. Peduncle pale green, 8-13 cm, pubescent, with 2 or 3 sterile bracts; rachis 2-5 cm, laxly 1-3-flowered; floral bracts pale green, lanceolate, 18-25 × 3-5 mm, glabrous, apex acuminate. Flowers opening widely, pale green to green, large; pedicel and ovary pale green, cylindric-fusiform, 10-15 mm, sparsely pubescent. Sepals whitish to pale green, streaked darker green on veins, sometimes tinged pink at apex, glabrous, 3-veined; dorsal sepal ovate, 15-16 × 5-7 mm, concave, apex acute; lateral sepals widely spreading or reflexed, ovate-elliptic, 14-16 × 5-6.5 mm, apex acute. Petals white to pale green, rhombic, oblique, 15-16 × 5-5.5 mm, 1-veined, base attenuate, apex obtuse; lip white to pale green, streaked darker green on veins, ovate, cymbiform, 12-13 × ca. 7 mm; hypochile concave-saccate, inside densely papillose, with 7 or 9 parallel veins; epichile strongly recurved, triangular-ovate, ca. 4.5 mm, apex acute. Column 3-4 mm; anther lanceolate, ca. 7 mm; pollinia 6-9 mm; viscidium linear, 3-4 mm; rostellum 5-7 mm, remnant deeply bifid. Fl. Feb-Mar. 2n = 22*.
● Forests, damp places along streams; 700-1300 m. Hong Kong, S Taiwan.