The tansy

The tansy (Tanacetum vulgare, syn Chrysanthemum vulgare (L.) Bernh.), Also called the cabbage worm is a species of the family Asteraceae (Asteraceae). The tansy is one of the so-called compass plants, and because the judge the leaves in full sunlight is perpendicular to the south.

The Tansy is a highly proliferating, perennial herbaceous plant. It forms a rhizome. The alternate, dark green, oblong, pinnate leaves smell strongly. The lower leaves are stalked, the upper sitting. The whole plant has pungent essential oils (camphor, borneol, thujone) and bitter substances, which make the adjustment to the Tansy to a matter of taste: Some people like this smell, others feel repelled by it.

It bears from June to September in doldenrispigen overall bright yellow inflorescences, körbchenförmige part inflorescences. Overall, do the flower baskets as Gülden Knöpfle or West buttons (these are common names), children use them as play money. The smooth bracts are 4 mm long and 2 mm wide. There are no chaff sheets available. The flower baskets have a diameter of 1 cm, a height of 5-6 mm and contain about 100 hermaphroditic florets. The yellow tubular flowers are up to 2.3 mm long. Ray florets absent.

The smooth, fünfrippigen, about 1 mm long achenes usually have no pappus or only a krönchenförmigen hem.

The tansy has a Eurasian distribution. He is now a neophyte in the temperate regions of other continents. There are several species for use as an ornamental plant.

The tansy grows frequently, and socialize in perennials range weeds, along roads, dumps, dams, like to burns, including to banks (river corridor plants), in summer-warm, not too dry, nutrient-rich, slightly alkaline to alkaline, humus rich soils. After Ellen Berg, he is a light plant, widespread oceanic, a Frischezeiger, indicating moderately nitrogen-rich sites and a longlasting Klassencharakterart nitrogen cabbage fields (Artemisietea vulgaris).

On stickstoffreichem Wildland often the tansy-sagebrush scrub an almost unchanged over the years holding stage in the development of people so affected succession.

This species is a cultural guide and Refugee Services.

Source: http://de.wikipedia.org/wiki/Rainfarn
See Also: international flower delivery, florist