General: Perennial herb from bulblike bases (corms); stems 7-20 cm tall, with 2 basal leaves, smooth.
Leaves: Two basal, erect, oblong-elliptic, 5-15 cm long, keeled on back, narrowed to winged stalks.
Flowers: Inflorescence an open, several-flowered, terminal raceme, bracts linear-lanceolate, 1.5-2.5 mm long, flowers whitish to greenish-yellow; sepals narrowly lanceolate, spreading, 4.5-6 mm long, 3-veined; petals narrower and shorter than sepals, 4-5 mm long, 1-veined; lip 4-5 mm long, oblong to oval, entire to lobed, 5- to 7-veined, curved downward, abruptly pointed at tip; column 2-2.5 mm long, broad at base.
Fruits: Capsules, ellipsoid to egg-shaped, 9-13 mm long.
Moist thickets and fens in the montane zone; rare in C BC, known only from Mara Meadows Ecological Reserve and White Lake, near Salmon Arm; circumpolar, N to NT, E to NF and S to ME, MA, PA, NC, AL, AR, NE, MT and WA; Eurasia.