蔓茎堇菜（Ｖｉｏｌａｄｉｆｆｕｓａ）是堇菜科多年生草本植物。常被白色柔毛,茎短缩,匍匐茎由基部叶腋抽出,有时倾斜向上。叶互生、基生或簇生于匍匐茎的顶端,卵形,常沿叶柄下延呈翅状,边缘具圆钝锯齿,两面疏生白色长柔毛。花小,茎生,或生于匍匐茎的叶腋,白色或淡黄色。... Violadiffusa is a Violaceae perennial herb. Often white pilose, short stems, stolons from the base leaf axils out, sometimes tilted up. Leaves alternate, basal or clustered at the top of the stolons, ovate, often extending along the petiole along wing, margin with a round serrate, sparse white villi on both sides. Flowers small, cauline, or leaf stamens arising from stolons, white or yellowish. ...