Rhizome tuberous, subcylindric, 4-8 mm in diam. Leaves 1 or 2, appearing after anthesis, linear, 10-50 × 0.8-1 cm, papery, main veins 4 or 5. Inflorescence erect; peduncle whitish, slender, with 6-8 membranous scalelike sheaths 3-8.5 cm; rachis 8-15 cm, laxly to 10-or more flowered, sparsely pubescent; floral bracts erect, narrowly lanceolate, 1.5-2 cm, membranous, abaxially sparsely pubescent, apex long acuminate. Flowers yellowish green, tinged with purplish or pink; pedicel and ovary ca. 1 cm, densely pubescent; ovary clavate. Dorsal sepal elliptic, ca. 11 × 3.5-5 mm, abaxially densely hairy, 5-veined, apex acute or subobtuse; lateral sepals oblong-lanceolate, ca. 11 × 3-4 mm, abaxially densely hairy, 5-veined, apex acuminate or acute. Petals narrowly spatulate or oblanceolate, 10-11 × 1.5-2.2 mm, 3-5-veined, subobtuse or acute; lip obovate, ca. 1 cm, adnate to column foot, 3-lobed above middle; lateral lobes erect, suboblong, ca. 3 mm wide, obtuse; mid-lobe obovate, usually ± ciliate, obtuse and mucronulate; disk with 3-5 longitudinal papillate ridges running from base to apex of mid-lobe. Column ca. 1 cm, densely hirsute, base with short foot; pollinia ca. 1 mm. Fl. Mar-Sep.
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Leaves 1 or 2 per shoot, 1 leaf larger than the other, 300–450 × 8–10 mm, dark green, pleated, sharply pointed, tapered to long basal stalk. Flower stem 300–600 mm tall, 4–10-flowered. Flowers well spaced, not opening widely, 10–12 × 4–5 mm, somewhat tubular, dull pink with yellow tips, externally hairy. Dorsal sepal 10–12 × 4 mm, margins incurved. Lateral sepals 10–12 × 5–6 mm, base humped. Petals 10–12 × 2.5 mm. Labellum 10–12 × 6–8 mm, curved, 3-lobed; lateral lobes erect; midlobe papillate, apex truncate. Callus of 3–5 bright yellow, sinuous ridges.
Highly localised; found growing in seasonally wet, grassy patches in woodland and forest, often amongst swards of bladey grass which, in New Guinea, is known as kunai grass. The leaves of this orchid closely resemble those of bladey grass, making the orchid plants difficult to locate.
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