From this point of view, the former belongs to perennial herbs, which belong to Umbelliferae, is the original perianth subclass.
The latter belongs to primrose family and is also a perennial herb, but it is creeping. It is a subclass of sympantha.
The former is introduced from Europe. It likes to grow on the river or in a cool and humid area.
The latter is mainly growing in the area south of the subtropical zone, like the water area, in China's distribution of many, especially in the southern region, not only artificial planting can also see the wild
The former is shaped like a broken umbrella, and it is fan-shaped. You can see the sawtooth on the edge of the leaf, and the flowers are yellow and purplish red.
The shape of the latter is more like the copper coin of our country before. The shape is round, the leaves are relative, the width is about 45mm, and the flowers are generally yellow.
The former can grow no matter in water or on land. No matter in cool, watery or dry environment, it can survive well. It has strong environmental adaptability and fast reproduction ability.
The latter prefer warm and watery areas, do not like high temperature, but can better resist low temperature. 16-24 ℃ is the best survival temperature. In the same way, neither of them can survive in high temperature
The former can be used as medicine to prevent eczema and other symptoms, or abdominal pain, is also very effective.
The latter can be taken internally after boiling soup with water, or it can be mashed and applied outside the body. But if abdominal pain can not use it, it can also treat snake bites, malaria, etc.
