Herbs, perennial, cespitose, yellowish green to light green or dark olive when dry, to 4 dm, not glaucous. Stems branched, with 2–5 nodes, 2.6–3.5 mm wide, glabrous, margins minutely denticulate near nodes, similar in color and texture to stem body; first internode 6–12 cm, shorter than leaves; distalmost node with 2 branches. Leaf blades glabrous, bases not persistent in fibrous tufts. Inflorescences borne singly; spathes sometimes with purplish tinge, ± equaling supporting branch in width, glabrous, keels slightly denticulate; outer 14–21.5 mm, 3.3–5.3 mm longer than inner, tapering evenly towards apex, margins basally connate 2–3.4 mm; inner with keel straight, hyaline margins to 0.1 mm wide, apex acute to acuminate, ending 0.7–1.7 mm proximal to green apex. Flowers: tepals white, bases yellow; outer tepals 3.3–7.5 mm, apex apparently rounded, aristate; filaments connate ± entirely, glabrous; ovary similar in color to foliage. Capsules pale to medium brown, ± globose, 2.1–3.4 mm; pedicel erect. Seeds globose, lacking obvious depression, 1–3 mm, rugulose. 2n = 32.
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