The stem of Houttuynia cordata Thunb is flat cylindrical, some are slightly twisted, the color of the surface is brown yellow, there are many longitudinal edges on it, the nodes are obvious, and the height of the whole plant is about 30-50 cm.The leaves are alternate, thin papery, with obvious glandular dots on the back, ovate or broadly ovate in shape, some curled and wrinkled, dark yellow-green to dark brown in surface color, gray-green below, petiole is not long, about 1-3.5 cm in length.Houttuynia in the summer flowering, spike terminal, flowers are relatively small, petals have 4 bracts, the color is white, but also bear a nearly spherical capsule.
Houttuynia cordata likes to grow in warm places, more like wet, can not withstand drought, so water can not be missing.The soil requirements are not strict, but it grows best in fertile sandy loam, not in clay.
Houttuynia cordata not only can be eaten, but also has a certain effect, this grass is cold in nature, can clear heat and detoxify, but also can discharge pus, diuretic, has the effect of antibacterial and antiviral, can improve human immunity.
There are many propagation methods of Houttuynia cordata Thunb, such as sowing, division and cuttage, but the germination rate of sowing is low, so this method is not commonly used.