Plants 20–75 cm. Leaves 1–3, ascending to spreading, rather abruptly or gradually reduced to bracts distally; blade lance-oblong to linear-lanceolate, 4.5–32 × 1–3 cm. Spikes dense. Flowers resupinate, showy, pale yellow-orange to pale orange; dorsal sepal entire or rarely apically dentate; lateral sepals spreading; petals elliptic to linear-oblong, margins entire; lip descending, ovate-elliptic to obovate or oblong, 3–5 × 1.5–4 mm, margins eroded to lacerate or rarely entire, with basal pair of fleshy ridges on adaxial surface; spur tapering from broad base to slender tube, 5–10 mm; rostellum lobes curved downward, short, rounded; pollinaria essentially straight; large pollinia protruding forward; viscidia orbiculate to suborbiculate; ovary slender to somewhat stout, 5–11 mm.