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Terrestrial herb, 0.06-0.18 m high. Leaves 2, cauline, alternate, ovate, acute, base cordate, 25-55 x 14-36 mm. Inflorescence 3-5-flowered; bracts ovate, acute, 5-28 x 3-15 mm. Flowers white or lilac. Sepals: median sepal falcate, obovate, galeate, 4 x 3 mm, with spur 1 mm long; lateral sepals ovate, acuminate, 3 x 2 mm, spur 0.5 mm long. Petals adnate to median sepal, falcate, clawed, ovate with basal auricle, 2.5 x 2 mm. Lip basally fused to gynostemium, claw recurved, 2 mm long, blade triangular, acute, 1 mm long, appendage ascending, incurved, oblong, apex with long papillae, 1 mm long. Flowering time Feb.-Apr.
Glabrous terrestrial herb, up to 180 mm tall. Dorsal sepal with a broadly rounded hood, 3 mm long. Lateral sepals deflexed, 3 mm long, with a short conical spur above middle. Flowers white or pink and green.
Lateral sepals spreading, 3–4 × 2 mm, obliquely ovate-oblong, acuminate, producing a short, broadly conical sac-like spur above the middle.
Lip narrowly unguiculate; limb reflexed with 2 short, diverging lobes; appendage broadly oblong, obtuse, papillose, longer than the limb.
Column short; rostellum broadly rounded, obtuse, concave; arms 1 mm long, cartilaginous, twisted.
Flowers white or greenish-white, sometimes veined and tipped with wine-red.
Leaves 2–3, alternate, 2–4.5 × 1.5–3 cm, ovate, clasping stem at base.
Dorsal sepal 3–6 mm long, forming a saccate hood with the petals.
Petals 3–6 mm long, obliquely falcate-ovate, acute.
Inflorescence 1–6-flowered, usually 2-flowered.
Slender terrestrial herb 9–21 cm tall.
Bracts leaf-like, 13–15 × 5–7 mm.
Ovary 8–10 mm long.
