马齿苋 Traditional form: 馬齒莧 Pinyin (reading): mǎchǐxiàn Definitions: Portulaca oleracea (common purslane) Characters: 马 - horse; surname 齿 - teeth; gears, cogs; age 苋 - amaranth Traditional characters: 馬 - horse; surname 齒 - teeth; gears, cogs; age 莧 - amaranth