Thorn mustard leaves are smaller than the basil some of the finer. Thorny mustard in Henan, Hubei, Jiangxi, Anhui and these places are more common, the leaf blade has a small downy. Generally open white small flowers. Made into a cold dish flavor is a bit special, the taste is very good. Just like some people like to eat perilla, some people can not stand its flavor. Once you like it, you feel you can't part with it. Many pictures of thistle on the internet are actually some mint and some basil. Although they all have a special smell, but have planted basil, mint, thistle can know, so these three plants are completely different.