Leaves not seen. Peduncular-sheath 2 1/2 in. (or more?) long, terminated by a linear acute leaf 2 in. long, 2/3 lin. broad, glabrous. Peduncle 1 1/2–2 ft. long, 1/2– 3/4 lin. thick, somewhat compressed, 2-edged, hollow, glabrous, striate (from shrinkage?). Spike 3 lin. long, 2–2 1/2 lin. thick, ellipsoid or ovoid, 7–12-flowered. Bracts spirally imbricate one above another, 2 1/4–2 1/2 lin. long, 1 1/2 lin. broad, coriaceous, elliptic or elliptic-oblong, obtuse, entire, sometimes apiculate, light chestnut-brown, the inner with a stout usually dark green keel; nerves very indistinct, very slender and irregular. Lateral sepals 1 3/4–2 lin. long, 1/2 lin. broad, falcate-lanceolate, obtuse, boat-shaped, brown along the back, fading to light yellowish-brown on the sides; keel winged, minutely ciliolate along the middle part only, not produced at the apex. Flowers not seen. Capsule obovoid, trigonous.