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Tufted, perennial, rhizomatous herb, up to 0.8 m high. Leaves 3-5, basal, cauline, terete, distinctly septate, apex pointed, base with open, auriculate sheaths; cataphylls 1-4, acute. Scape rigid, terete, with one central gas channel. Inflorescence paniculate, often appearing terminal because subtending leaf or bract shorter than inflorescence. Flowers in spherical heads or nearly so, 15-25 heads, many-flowered; floral bract solitary (bracteoles absent. Perianth segments unequal, linear-acuminate, 3-4 mm long, aristate. Stamens 3 or 6; anthers shorter than filaments. Ovary 1-celled; style short, with 3 longer, red, stigmatic arms. Capsule loculicidal, unilocular, trigonous, oblong-ovoid, obtuse, apiculate, as long as perianth. Seeds ovoid.
Robust, tufted, perennial herb, up to 1 m high. Leaves cauline, fairly soft and pointed; septate. Flowers: scape septate, with 3-5 leaves, terete or somewhat flattened, in transverse section with central cavity only; perianth brown; Oct.-May. Fruit unilocular, oblong-ovoid, obtuse, enclosed in perianth segments. Seeds both ends apiculate.
Tufted, perennial herb, up to 0.8 m high. Flowering stem with 3-5 leaves, basal and cauline. Capsule unilocular, ovoid, obtuse, enclosed in perianth. Medulla of stem with a central cavity only. Flowers brown.
Tufted perennial with soft stems, 40-80 cm. Leaves cylindrical, septate. Flowers in round capitula in pseudolateral panicles, brown.
