It is a kind of floating herb, scientific name is Eichhornia, generally growing in rivers, ponds and marshes. The stem is very short, the color of the creeping branch is light green, the fibrous root is very strong, the color is brown black, the leaves are clustered at the base, arranged in a rosette shape, the leaves are oval, the surface is dark green, and the petioles are different in length. The flowers are lavender, blue in the middle, and they usually bloom from July to October. Originally from Brazil, it is intended to be introduced into China as an ornamental plant, and later to be popularized as a feed for pigs, but because there is no natural enemy and the breeding speed is very fast, it has become a hazard.
Its reproduction speed is very fast. Generally, it propagates with seeds. It plucks the fruit, peels off the outer peel, and takes out the seeds from the inside. In February, soak the seeds in 25-30 ℃ water for about 10 days, so that they can be spread on the water surface and germinate in one to two weeks. Can also be propagated through axillary bud, creeper is longer, it is easy to break, put in water can grow new independent plant.
