Erect terrestrial herb, 160-280 mm tall. Leaves 7-9, cauline, erect or slightly spreading, rigid, linear-lanceolate, 50-90 x 2-4 mm, with 3 main veins, margins thickened and translucent. Inflorescence lax, cylindrical, 40-75 mm long; bracts light green suffused pinkish with darker green veins, linear-lanceolate, acuminate, 11-29 x 2-3 mm, scarious at anthesis. Flowers white suffused with carmine-pink and green, blotched and speckled maroon; lateral sepals very pale green to white, blotched maroon, with green median veins, patent, oblanceolate, apiculate, 11-14 x 3.0-3.5 mm; dorsal sepal narrowly galeate, apiculate, margin weakly revolute, 10-14 x 5-7 mm, spur spring-green and blotched maroon, straight, terete, 12-16 x 0.75-1.0 mm, nectariferous; lateral petals translucent white with maroon markings along distal margin, erect, narrowly ovate, ±5 x 3 mm, tapered, apex curved within the galea, 1.5 mm broad, basal anticose lobe small, apex pustulate-erose; lip white, distally maroon blotched, narrowly oblanceolate, slightly decurved, 10-14 x 3 mm. Anther reflexed, 2 mm long, deep blue-maroon basally and spring-green at the apex. Stigma white with a pink margin, 1.5 x 1.0 mm; rostellum as broad as the stigma, flat, lateral lobes short, raised at 45°, central lobe vestigial. Ovary obliquely patent, narrowly oblong, 12-18 x 2-3 mm.
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