Leaves 5–6 in loose rosette or scattered up stem, 30–50 x 15–25mm, dark green, fleshy, margins entire. Flower stem 120–25 tall, scabrous. Flower erect, 35–45 x 15–20mm, dark green and white, tip obliquely erect. Dorsal sepal slightly longer than petals, drawn out into long point. Lateral sepals loosely embracing galea and separated from petals by narrow side gap. Sinus shallowly curved in side view, narrowly and deeply notched in front view. Free points narrowly tapered, 15–2 long, erect, extending high above hood. Petals shortly pointed. Labellum curved, protruding from sinus when set, 16–20 x 3–3.5mm, brown, blunt.
Localised, growing in moist grassy areas on sheltered slopes and flats in montane and subalpine woodland, often near streams and swamp margins in freely draining to moisture-retentive loams.
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