Plants 15–27 cm. Leaves few–several, ascending to rather wide spreading, scattered along stem or commonly loosely clustered on distal portion, gradually reduced to bracts distally; blade elliptic-lanceolate to elliptic-oblong, 4.5–12 × 0.7–2.5 cm. Spikes moderately dense. Flowers resupinate, not showy, sometimes conspicuous, whitish green, perhaps more yellowish on lip; lateral sepals spreading; petals ovate-falcate, margins entire; lip descending, linear to lance-linear, without basal thickening, 4–9 × 1–2 mm, margins entire; spur slenderly to markedly clavate, rarely more slender, 4–8 mm, apex obtuse; rostellum lobes widely divergent, directed downward, slightly angular, very small, obscure; pollinaria straight; pollinia remaining enclosed in anther sacs but apparently often fragmenting; viscidia oblong to oblong-spatulate or elliptic-suborbiculate; ovary slender to stout, mostly 6–10 mm.
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