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Median sepal 3–4 mm long, less than 1 mm wide, oblong-oblanceolate, rounded; lateral sepals slightly longer and almost twice as wide.
Spurs 8–12 mm long, slender, parallel to ovary; some flowers in an inflorescence have 2 vestigial spurs beside the main spurs.
Sepals and petals deflexed, the lateral sepals spirally twisted, joined to each other and lip in basal half.
Column 3 mm long; rostellum very short, the apex reflexed, the side lobes represented by minute teeth.
Lip 4–5 mm long, ± globose with a slight dorsal keel, fleshy with a narrow mouth.
Inflorescence 3–15 × 1–2 cm, fairly densely several-to many-flowered.
Bracts to 15 mm long at base of inflorescence, reflexed.
Petals similar to median sepal but narrower.
Slender terrestrial herb 13–45 cm tall.
Flowers creamy-white.
Ovary 6–8 mm long.
