One, the difference on the blade
The shape of the leaf blade before white is oblong or oblong lanceolate, narrow and long, about 1-5cm in length and 0.7-1.2cm in width. The lateral veins on the edge are not obvious, about 3-5 pairs.
The difference on flowers
The color of the flower before white is yellow, and the time of flower opening is from May to November. The flower period is later than the former.