Plants tall and slender, 0.5-1.0 m high, solitary. Roots densely fascicled, up to 120 mm long, with swollen regions proximal to stem disc up to 28 mm long, 8 mm in diameter, also some roots with swollen ends ±28 mm long, 4 mm in diameter. Fibrous sheathing neck forming a thick layer at base up to 20 mm wide, 40 mm long, becoming progressively fewer-layered above, outer fibres greyish, very fine, distinctly reticulate, inner cataphylls up to 150 mm long, lacy, light golden fawn-coloured, basally internally violet-purple. Leaves 2, rarely 3 or 4 on older plants, base not expanded to form a sheath, subequal or inner considerably smaller, up to 600 x 6 mm, subulate with apex very gradually narrowing to a point, dark green, canaliculate, fleshy to coriaceous, glabrous; margin not denticulate. Raceme narrowly cylindrical, up to 120 mm long, 20 mm wide, moderately dense, with ±75-150 flowers; peduncle up to 700 mm long, 3 mm in diameter, lightish green; bracts triangular, cuspidate, 3 mm long, base partly surrounding pedicel, colourless, membranous, with light brown midrib. Flowers stellate, spreading to somewhat recurved, ±9 mm across; pedicels 4-8 mm long, green. Tepals yellow with a narrow green midrib, oblong, obtuse, subequal, outer more recurved and slightly longer and narrower, 5 x 2 mm, inner narrowly lanceolate,4 x 2.5 mm. Filaments filiform, apiculate, 3 mm long, yellow; anthers subglobose. Ovary ovoid, shiny yellow, 1.5 mm in diameter; style cylindrical, 2 mm long. Capsule 6 mm long, 4 mm wide, light fawn, sections somewhat cymbiform, 3-veined. Seed 4.5-5.5 mm long, 3.5 mm wide, shiny black with dark brown wing ±0.5 mm wide all round.
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Rhizomatous geophyte to 1 m, cataphylls netted. Leaves few, linear, channelled. Flowers in a cylindrical raceme, yellow.