Torilis arvensis
Fruit stand of arable Velcro Kerbel ( torilis arvensis)
The field -Klett chervil ( torilis arvensis ), also called field - bristle cone, is a species of the genus bristle clusters ( torilis ).
Description
Vegetative characteristics
The field -Klett Chervil is an annual herbaceous plant ( Therophyt ), achieved the stature heights of 30 to 100 cm. The aboveground plant parts appear dull gray - green by stronger hair. It forms a thin, spindle-shaped root.
Generative features
The flowers are borne in a doppeldoldigen inflorescence. You have no or only a husk. The fruit is 3 to 5 millimeters long. The fruit spikes are fitted at the top with a magnifier visible barbs.
Ecology
Diasporas are its Velcro fruits that are spread about animals by adhering to fur or feathers ( Epichorie ).
The nature of flourishing in Central Europe from July to August
Occurrence
The distribution area of arable Velcro chervil is in Europe and the Middle East. He is a archaeophyte in Central Europe. The field -Klett chervil rarely occurs and is unstable in ruderal or in crop fields. It prefers calcareous, chalky, dry, summer warm loam or clay soil containing nitrogen only in moderate amounts.
After Ellenberg it is a half-light plant, a heat indicator, a base and Kalkzeiger and a Ordnungscharakterart of cereal weeds companies ( Secalietalia ).
In Austria delivers the kind that seems to be is lately in the propagation, in the Pannonian area scattered to rare, or very rare in fallow vineyards, dry waste places and dry grasslands on. The deposits are confined to the colline and submontane partial height level of the federal states of Vienna, Lower Austria and Burgenland. The species is regarded in Austria as endangered.
System
In Austria and South Tyrol three subspecies are known whose taxonomic status applies explored as inadequate:
- Upright arable bristle cone ( torilis arvensis subsp. Recta )
- Ordinary arable bristle cone ( torilis arvensis subsp. Arvensis)
- Misunderstood arable bristle cone ( torilis arvensis subsp. Neglecta )