Leaves ensiform, 12-40 cm by 3-6 mm, acute, sometimes subfalcate, papillate, with thickened margins; sheath 7-10 cm, slightly widened at the base. Peduncle 40-65 by ca 1 mm, terete, papillate. Head ellipsoid to globose, 9-12 by 7-12 mm. Basal bracts ovate, 4-4½ by 2½-3 mm, obtuse to sub-truncate, thickened and minutely papillate in a narrow triangle, 1-nerved. Median bracts obovate to elliptic, 6-8 by 4-5 mm, thickened in a narrow triangle from top to base, papillate in a narrow quadrangular field in the apical half, with ca 14 complete nerves. Lateral sepals 6-6½ mm by 1½-2 mm in the upper part, tapering towards the base, obtuse, emarginate, crest fimbriate in the upper half. Median sepal unknown. Petals 10-12 mm long, limb cuneate, 2½-5 by 3½-6 mm, margin crenulate, claw 8-9 mm long. Stamens 4-4½ mm, anthers 2-2½ mm, obtusely incised at the top; top and base of thecae subacute. Staminodes twice forked, 9-10 mm, penicillate. Ovary obovoid, 3-sided, 3-celled, ca 2½ by 1 mm, truncate, stipi-tate. Style 3-fid, 5-6 mm, branches ca 3 mm, capitate at the top.