Plant up to at least 32 cm tall, from a short fibrous rhizome; roots short and slender, ending in ellipsoid tubers. Leaves 2–4, basal, narrowly lanceolate to narrowly ovate, 10–60 mm wide, with a usually finely undulate-crispate, 0.3–0.4 mm wide hyaline margin, glabrous. Inflorescence a simple or few-branched raceme, glabrous; peduncle glabrous, leafless; bracts lanceolate, 2.4–4 mm long; flowers 1 at each node; pedicels 2.5–12(–25) mm long, filiform, spreading, articulated c. 1–2(–3) mm below the flower, glabrous. Tepals white, medially greenish, 6–9.5 mm long, 3-nerved. Stamens subequal. Style 5.5–6.5 mm long. Capsule c. 6–6.5 x 7–8 mm, with the spreading persistent tepals at the base.