Perennial herbaceous plant of the family Compositae, up to 150 cm high, very odorous. Stems strong, straight, branched in the upper part. Leaves up to 20 cm long, elliptical in shape, pinnate to numerous oblong-lanceolate lobes, lower - petiolate, upper - sessile. Flower baskets of up to 12 mm in diameter, are collected in fairly thick apical shields. All the flowers in the basket are tubular, orange-yellow in color. Fruit is an oblong ribbed seed. Blossoms from June to September, fruits ripen in August - October.
Often forms thickets near shelter, in weedy places, sandy quarries, roadside ditches, pebbles, railroad embankments, coastal sands, felling and among thickets of shrubs. Prefers drained sandy and sandy loam soils.
Medical applications have inflorescences of tansy. They are harvested throughout the summer, tearing their hands so that the raw materials do not get whole shields. Drying at a temperature of 25 - 30 degrees, making sure that the baskets are not overdried, and the tubular flowers do not crumble.
Inflorescences of tansy are used in medical practice in the form of powders and water infusions as an antihelminthic agent for ascariasis and eterobiosis, with liver diseases - hepatitis, angiocholites, with intestinal diseases. Tansy has a good antidiabetic effect with an anacid gastritis, with diarrhea due to tuberculous intoxication, with acute nutritional enterocolitis. Due to the good sokonnomu action tansy medications can be successfully used with reduced acidity and delayed evacuation of intestinal contents. In the experiment on animals, it has been established that tansy preparations increase the amplitude of heartbeats, increase blood pressure, increase bile secretion, tone up the muscles of the gastrointestinal tract and enhance its secretion. Tangerine essential oil has a pronounced antimicrobial and antihelminthic effect. The presence of essential oil explains and phytoncidal activity, known long ago, thanks to which the meat, surrounded by inflorescences of tansy, remains quite long fresh.
In folk medicine, tansy is known as antihelminthic for round and hepatic worms, against headache, epilepsy, against jaundice, as a means of regulating the menstrual cycle, with peptic ulcer of the stomach and duodenum, malignant tumors, chest pain, stomach and intestinal pain, cholecystitis and hepatitis.
Flowers, leaves and stems of tansy have good insecticidal properties, they are used against bugs, cockroaches and other insects.
