Rootstock shortened and plump, densely bearded roots. Roots and leaves: sweet and light flavor, cold in nature, non-toxic. Effects: With diuretic, expectorant, antibacterial, anti-inflammatory, lowering blood pressure and other pharmacological effects. It can be used externally to treat skin sores that have been ulcerated for a long time, and ophthalmia. Seed: Seed contains a lot of mucilage, psyllium acid, choline, adenine, succinic acid, vitamin B1, fat oil, protein, resin and so on. It can be used to treat dysuria, gonorrhea, leucorrhoea, blood in urine, summer-dampness diarrhea and dysentery, cough with much phlegm, dampness paralysis, and eye redness and cataract.
Origin: Born in the field border Shanpu roadside, house next to the barren land, roadside, riverside, etc., because often grows in the vehicle next to the road, so the "car before" the name.
Practice is very simple: the tender pig's ear grass wash, put into the boiling water on the 15 minutes, out of the pot into the cool water to clean up, and then hand wringing net mixed with "soy sauce monosodium glutamate", or "sesame oil salt", plate can be; and the Northeast, it is not added! Seasoning, directly dipped in the northeast sauce to eat. You can also make soup, but also a unique natural herbal tea. The flavor is similar to "Wanglaoji".