1、 Color difference

The flower is white, with lilac veins, and the pedicel is thin, usually higher than the leaf or equal to. Sepals are ovate lanceolate or lanceolate, the apex is slightly blunt or slightly pointed, the upper petals are obovate, and the lateral ones are oblong obovate. The purple flower is lilac or purple Viola, the color of the throat is light or purple stripes, the shape of the sepals is similar to the former, and the apex is acuminate. Petals are obovate or oblong obovate

2、 Distribution area difference

It is distributed in Northeast China, such as Heilongjiang, Liaoning and Jilin. It is also found in Inner Mongolia and Hebei, mainly growing in meadows, riverine wetlands, etc. Besides the former areas, it is widely distributed in Shanxi, Shaanxi, Shandong, Jiangsu, Anhui, Zhejiang, Hunan, Hubei and other places. It mainly grows in fields and hillside grass