Flax, alias Shanxi flax. It belongs to the flax family. The flax (giant rattan) sold in Chinese medicine shops belongs to this kind. Seeds are easy to be poisoned if eaten for a long time. The extracted oil can be used in medicine and industry.

Sweet, pungent and flat.

Component seeds contain fatty oil (glyceride such as linseed oil), mucus, protein and cyanosides.

Function: nourishing blood and expelling wind, nourishing liver and kidney, and dizziness after treatment.