Baizhi.

Umbrella-shaped science belongs to perennennal herbs. Roots for medicinal purposes. According to the examination, the ancient Chinese medicinal bait is mainly distributed in the Yellow River basin, that is, the current cultivation of Xing'an bait in the north. However, the modern Chinese medicine is widely used in Hangzhou Baixuan, Zhejiang, Sichuan, Fujian, Taiwan and other provinces have wild or cultivated.

1 to 2 meters high. The root is large, conical, with 4 prisms at the top. Stem cylindrical, with dense soft hair near the flower sequence. The leaves are mutually born, the lower leaves of the stems are large, 2 to 3 back plume-like division, the base of the leaf handle is enlarged into a wing-like, the upper leaves are underdeveloped, and only the egg-shaped sac-shaped leaves remain. Complex umbrella-shaped flower sequence, yellow and green flowers in summer. Double suspended fruit oval shape, with dredging hair, fruit split 5 prisms, side ribs into a winged shape. Happy warm and humid climate and plenty of sunshine, sand loam is appropriate. It must be reproduced with the seeds of the year. Usually from early September to early October, sowing or striping, planting 1 to 1.5 kg per acre. Before planting the foot base fertilizer, until the next spring combined between the seedlings for fertilization; Picking shall be carried out when pumping. Summer and autumn leaves yellow withering for the harvest time, the root dug out to remove the soil and dry in time.the roots of Hangzhou phosphonate contain 6 kinds of furan-scented beans: pre-European hussin, iso-European pre-hussin, coral cannabinol, prehydrated pre-oxidation hussin, pre-oxidized hussin and buddhist bergamotide esters. Do Chinese medicine function dry and wet, discharge pus pain relief, the main treatment of cold headache, eyebrow bone pain, sinusitis, toothache, white belt and other diseases.