1. Leaf
The leaves of the blood -promoting Dan are grass, the leaves are heart -shaped or kidney shape, and the length of the petiole can reach double the leaves. It is often purple below;Long circles, the length of the petiole can reach twice the blades, and it is often purple below.
The lower part of the purple flower diced leaves is triangular ovate or narrow ovate.
Two, flowers
There are fewer flowers in the blood circulation, usually two, rarely 4-6 flowers. The bracts are very small, only 4 mm. The calyx is a pipe mechanism. The flower plate is like a cup shape.
The flowers of the purple flower are medium, purple -colored or lilac, rarely white, generally lighter and purple columnar lines.
