Flowers pale-yellow with greenish highlights; perianth tube 30–40 mm long, curving outward above, gradually expanding toward the apex; tepals unequal, the upper 3 tepals c. 4 cm long, the uppermost c. 2 cm wide and hooded over the stamens, the upper lateral tepals directed forward and curving outward only near the apex, the lower 3 tepals half to one-third as long as the upper, curving downward from the base.
Foliage leaves several, mostly basal or inserted in the lower part of the stem, reaching to about the base of the spike, (13)20–35 mm wide, lanceolate, sometimes narrowly so, the margins, midrib and usually at least one other pair of veins thickened and hyaline, the surface densely and minutely papillose to short-pubescent.
Spike 6–10-flowered, the nodes 3–7 cm apart; bracts green, 4–6(7) cm long, the inner 1–2 cm shorter than the outer.
Style arching over the stamens, dividing near the anther apices, style branches c. 5 mm long.
Corms 5–7 mm in diameter, depressed-globose; tunics reddish, irregularly broken.
Filaments 25–30 mm long, exserted at least 15 mm; anthers 14–17 mm long.
Plants 1–1.5 m high.
Capsules unknown.
Stem unbranched.