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Perennial stemless plant with a creeping rhizome, with a sharp specific smell and two reniform-pointed wintering leaves on long petioles, with a single drooping three-incised dark purple flower. Blooms in May.
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Distributed in the south of Primorsky Krai in broad-leaved forests. Medicinal raw materials are rhizomes that contain glycoside.
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It has analgesic, expectorant, emetic and antihelminthic effects. It is used for various nervous diseases, incisions, paralysis, headaches. It is sometimes used as an anthelmintic and for colds. It is highly valued in folk medicine in China and Japan.