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Robust, tufted, perennial herb, up to 1.8 m high, with basal sheaths splitting, acute. Stems rigid, slightly compressed-cylindrical, ± 2 mm in diameter at middle. Leaves with sheaths dark reddish brown, blades absent. Flowers: inflorescence pseudo-subterminal, dense, digitate cluster of spikelets ± 15-25 x 20-25 mm, overtopped by an erect, rigid, basal bract with a spine-like tip; spikelets light to dark brown; glumes with membranous margins, ovate, boatshaped, ± 2 mm long, dark brown; Oct.-Jan. Fruit a greyish nutlet, with a reticular surface pattern.
Tufted, erect perennial, up to 1 m tall. Leaf sheaths dark reddish brown, blades absent. Stems rigid, slightly compressed-cylindrical, ± 2 mm diam. at middle. Inflorescence pseudo-subterminal, a dense, digitate cluster of spikelets ± 15-25 x 20-25 mm, overtopped by an erect, rigid, basal bract with a spine-like tip. Spikelets light to dark brown.
Perennial herb, up to 400 mm tall. Inflorescence single, rounded, pseudolateral, overtopped by a stout, sharp-pointed bract. Basal sheaths splitting, acute. Nuts greyish with a reticular surface pattern. Glumes with membranous margins, ovate, boat-shaped, ± 2 mm long, dark brown.
