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Perennial herbaceous plant with culm-stalk up to 80 cm tall, with narrow, flat leaves. The inflorescence is slightly within the limits. Spikelets are many-flowered, rounded, laterally compressed, colored, on female, sinuous, drooping legs. Blooms in June.
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It occurs in damp meadows, clearings, on the edges.
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Medicinal raw material is a herb.
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In folk medicine, an aqueous decoction of the herb is drunk for heart diseases (heart weakness, heart pain), diseases of the nervous system, pulmonary tuberculosis, kidney and bladder diseases, inflammation of the ovaries, urinary incontinence, startling during sleep, colds, malaria, as a diuretic , with diathesis, childhood eczema, tumors and swelling of the legs, whooping cough.