Plants 100-300 mm long. Corm with curved basal teeth. Stem short. Leaves filiform, 100-250 x 0.8-2.0 mm, curved or suberect, grooves narrow or wide. Bracts with narrow, dark brown, brown-dotted, or sometimes colourless membranous margins. Flowers 25-40 mm long, buttercup-yellow or ochre-yellow, with a purplish brown or black blotch on each segment, outer segments brown or purplish brown on the backs. Perianth tube shallow, saucer-shaped, 2-4 mm deep; segments 20-35 x 6-10 mm. Filaments free, 4-5 mm; anthers 6-9 mm long. Style 8-10 mm long.
Cormous geophyte, 4-8 cm, corms rounded at base with coarse, bent teeth. Basal leaves several. Flowers yellow with dark brown markings, inner bracts 2-keeled.