N an onagraceous marsh plant, Ludwigia palustris, of temperate and warm regions, having reddish stems and small greenish flowers 水马齿苋
water extract of purslane herb马齿苋水提液
N（名词） an onagraceous marsh plant, Ludwigia palustris, of temperate and warm regions, having reddish stems and small greenish flowers 水马齿苋