马齿苋是马齿苋科一年生肉质草本植物,又名长命草、王行草、酸米菜、马蛇子菜、瓜子菜、马苋、马齿菜、长寿菜、五色苋、地马菜、酸苋等。全国各地均可见到马齿苋,它是人们喜食的一种野生蔬菜。《救荒本草》、《野菜谱》等古书上都有以马齿苋作为餐饭让人度荒年的记载。马齿苋可在春夏之交时采摘其嫩茎叶做菜,也可晒干备用,食时泡开。明代徐光启在《农政全书》中说:“马齿 Portulaca oleracea Branch annual fleshy herb, also known as long grass, Wang Xingcao, sour rice, horse snake vegetables, melon seeds vegetables, horseradish, horse vegetables, longevity vegetables, colored Amaranthus, Di horseradish , Such as amaranth. Can be seen throughout the country purslane, it is a kind of wild food that people like to eat. ”Save the waste of Materia Medica“, ”wild recipes“ and other ancient books have purslane as a meal of man-made record of desolation. Purslane at the turn of the spring and summer picking its tender stem leaves cooking, drying can also be used for standby, food bubble open. Xu Guangqi in the Ming Dynasty, ”Agriculture“ in the book said: ”dent