Description: The herb lived many years, 60-110cm high. Root tubers cylindrical long. Body has four sides, swelling up in the burn. Leaves opposite, oval size 15x5cm, two sharp, sides margins are wavy, with extra fur or without; auxiliary veins 5-7 pairs; short-stalked 1-3cm. Inflorescence grow in the tops or the stem itself; flower bracts in the armpit. Achenes oval, containing a cylindrical seed

May 5-9 flowers, fruits May 10-11.

Parts used: Roots, tubers - Radix Achyranthis Bidentatae, commonly known as Achyranthes.

Place to live and harvest: Living in the high mountains and plains. In winter-spring harvest, drying re-incubated until the skin wrinkles (6-7 days), exhale sulphur, dried. Use raw or soaked in soaking in wine and drying.

Chemical composition: Root tubers contain Saponin tritecpen, Genin is oleanolic acid, the sterol ecdysteron, inokosteron.

Tast property, effects: Achyranthes is bitter tast, sour salt, property average; effect fortify the livers, kidneys and strong never , almost strong tendons and bones,broke congest, antidotal cancer

Indication: Antiphlogistic, lower cholesterol in blood, lower blood pressure, cause systaltic uterine. Tue Tinh has wrote about Achyranthes:

- Achyranthes grass roots as well as scratch

- property average, sour, bitter and healthy Tendons and bones

- Relieve arthritis, paralysis, strong positive

- The blood, primary information, except for fever.

Today Achyranthes used in treating arthritis, back pain, obstructed menses… high blood pressure, blood cholesterol increased disease, Haematuria, difficult birth or Retained placenta, congest after birth ….

Used on 6-12g, cooking to drink.

Traditional method also used Achyranthes treatment of malaria can not help long time.