Dipsacus
Teasel ( Dipsacus fullonum )
The carding ( Dipsacus ) are a genus of Dipsacaceae ( Dipsacoideae ) in the family of Honeysuckle ( Caprifoliaceae ).
Features
The carding two years, strong herbaceous plants that are bald or hairy. The stems are erect, branched and spiny. Often, the midrib on the underside of leaves are prickly. The leaves are opposite, the reason they are often associated. The leaves are whole and pieces.
The kopfige inflorescence is similar to the daisy family. He is an ovoid to cylindrical ear, and is on a long inflorescence axis. The Involucralblätter are equal to or longer than the bracts of the individual flowers. There are two rows of bracts. At the bottom head are stinging chaff leaves. The outer cup is very small and hardly perforated. The cup is square, entire or dentate, bears no bristles. The crown is uneven vierzipfelig. Marginalized flowers are no ray florets. Of the four stamens two are fertile. The scar sitting sideways.
The fruits are nutty, Rippig - furrowed indehiscent fruits with four edges.
Dissemination
The genus is native to Europe, the Mediterranean, North Africa and in South and East Asia.
System
The genus Dipsacus in 1753, first published by Carl Linnaeus in Species Plantarum, Volume 1, page 97. A synonym for Dipsacus L. Simenia Szabó. The earlier in a separate genus " shed carding " ( Virga ) guided species are now placed in the genus Dipsacus.
The genus Dipsacus consists of about 20 species (selection):
- Dipsacus comosus Hoffmann. & Link, is found only in Spain and Portugal
- Sting - carder ( Dipsacus ferox Loisel. )
- Teasel ( Dipsacus fullonum L., syn. Dipsacus sylvestris Huds ), including in Central Europe
- Dipsacus inermis Wall.
- The teasel ( Dipsacus laciniatus L.), among others, in Central Europe
- Hairy teasel ( Dipsacus pilosus L., Syn: Virga pilosa (L.) Hill ), including in Central Europe
- Weber- carder ( Dipsacus sativus ( L.) Honck. ), Among others, wild in Central Europe
- Slim card ( Dipsacus strigosus Willd. Ex Roem. & Schult. ), Including in Central Europe as a neophyte
Etymology
The name Dipsacus is occupied since antiquity and is derived from the ancient Greek dipsa = from thirst. This refers to the teasel, in which the fused leaves form a rainwater tank ( Phytotelma ).
Pictures
The teasel ( Dipsacus laciniatus )
The teasel ( Dipsacus laciniatus )
The teasel ( Dipsacus laciniatus )
Hairy teasel ( Dipsacus pilosus )
Hairy teasel ( Dipsacus pilosus )
Weber- carder ( Dipsacus sativus )