Plants 7–50 cm. Roots few, spreading to descending, slender to somewhat tuberous, mostly to 1 cm diam. Leaves fugacious, 2 or 3, basal, reduced to bracts on stem, ascending, narrowly oblanceolate, 5–20 × 0.5 cm. Spikes secund to loosely spiraled, 8–10 flowers per cycle of spiral; rachis sparsely pubescent, some trichomes capitate, glands obviously stalked. Flowers nodding, white; sepals elliptic, 5 × 1 mm; lateral sepals distinct to base, curving slightly downward, oblique; petals green at base, oblique, elliptic, 5 × 1.5 mm; lip green with white apex, ovate, 4 × 2 mm; veins parallel; basal calli very short, stout, to 0.3 mm; viscidium linear-lanceolate; ovary mostly 3 mm. Seeds monoembryonic.