Plants 100-300 mm tall; leaves 6-15, lower 3-6 clustered at the base of the stem, linear to narrowly oblanceolate, acute, to 100 mm long, remainder scattered up the scape, lanceolate, grading into the bracts. Inflorescences dense, to 70 mm long and 40-flowered; bracts at least as long as the ovary. Flowers 2-3 mm in diameter, bright yellow or white. Sepals concave, 2-4 mm long; median elliptic to rotund, obtuse; laterals sub-obliquely lanceolate to ovate, subacute. Petals rhomboid-rotund to ovate, acute, curved over the anther, 1.3-3 mm long. Lip 3-3.6 x 1.5-1.8 mm, disc with 3 fleshy calli; midlobe c. 1 mm long; side lobes less than half as long, subacute; spur cylindrical, straight, 0.1-1 mm long.
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