Plants perennial, glabrous, with thick, densely tufted underground stolons. Stems erect, rarely as-cending, several from base, branched in inflorescence, 5-15(-20) cm; shoots usually densely crowded, not elongated. Leaves: ocrea brownish or reddish brown, membranous; blade linear or spatulate-lanceolate, not hastate (without basal lobes), 1.5-5 × 0.1-0.3 cm, base narrowly cuneate (gradually narrowing into petiole), margins entire, flat or slightly convolute, apex obtuse or subacute. Inflorescences terminal, occupying more than distal 2 of stem, ± dense, usually interrupted at least near base, narrowly paniculate with branches directed upward. Pedicels 1-4 mm. Flowers (3-)4-7 in whorls; inner tepals distinctly enlarged, 1.6-2.3 × 1.8-2.5 mm (free wing 0.3-0.5 mm wide), base cuneate, apex obtuse or subacute. Achenes brown or reddish brown, 1-1.5 × 0.8-1.2 mm. 2n = 14.
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A small herb. It grows for a few years. It grows in patches. There are single flowering stems with small flowering branches near the tip. The leaves are narrow or spear shaped. The flowers are small and in compact clusters.
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