Broccoli, formerly known as South Alfalfa, belongs to Leguminosae. See Ann in tao hongjing's "Famous Doctors Don't Record". Tender stems and leaves, also known as yellow clover, thorn alfalfa and grass head. When the stem is recumbent or inclined, the compound leaves are harvested from August to early spring and March, and there are wild and cultivated everywhere. Suzhou, Jiangsu and other places pickled their seedlings into vegetables, which is called pickled cauliflower.