The scientific name of this grass is Houttuynia cordata Thunb. It is also known as Zheer root, stinky vegetable, dog fly grass, etc. It is a kind of herb with a fishy smell. Because the leaves have a fishy smell, it gets its name from this.This kind of grass mainly grows beside rivers and wetlands, and is widely distributed in China.Its taste is very special, in the southwest of China, such as Yunnan, Guizhou, Sichuan and other places will be it as a dish to eat, but also can be used as medicine.
1. Plant type: The plant height of Houttuynia cordata Thunb is about 30-60 cm, the stem is oblate, the surface is relatively wrinkled and curved, the stem of the lower part is prostrate, the upper part is relatively upright, basically smooth and glabrous, the surface is yellow-brown, with purplish red.
2. Leaves: The texture of its leaves is thin and papery, the shape is ovate or broad ovate, the color of the leaves is different, the upper part is dark green or yellow-green, the color of the lower part of the leaves is darker, and the petiole part is about 1-3.5 cm long.
3. Flowers: Houttuynia cordata Thunb can also blossom. The flowering period is from April to July. It is a terminal spike with yellow flower spikes. It looks small.