The role of canna

Decorative effect

The most obvious function of canna is its decorative effect. The flowers are large, colorful, and come in a variety of varieties. The plants are relatively tall and strong, and they are relatively easy to cultivate.

Many new and excellent varieties of canna have been cultivated now. These advantages make canna have extremely high ornamental value. It can be used as potted plants, planted in the ground, placed at home for viewing, or planted near tourist attractions and along the streets to beautify the city.

Environmental effects

Canna not only beautifies the environment, but also absorbs harmful substances such as carbon dioxide, hydrogen chloride, and carbon dioxide. It has good resistance. Although the leaves are easily damaged, they will grow new leaves after being damaged and resume growth quickly.

It is precisely because canna leaves are extremely vulnerable to damage and react sensitively that they are called living monitors for harmful gas pollution in the environment.

Therefore, canna has the function of purifying the air and protecting the environment. It is the best choice for greening the city, beautifying the environment and purifying the air.

Industrial role

The stem and leaf fibers of canna can be used as raw materials for making artificial cotton, sacks, and ropes, and can be used to weave sacks and twist ropes.

Aromatic oil can be extracted from canna leaves, and the remaining residue can be used as raw material for papermaking.

Medical effects

The rhizome of canna can clear away heat and dampness, relax muscles and activate blood circulation; it can treat jaundice hepatitis, rheumatism numbness, traumatic bleeding, bruises, uterine prolapse, heart pain, etc.

It also has different medical effects in the records of different ethnic groups.

In Dai medicine, the rhizome of canna is used to treat icteric acute infectious hepatitis, neurosis, and bruises; the flower is used to treat wounds and bleeding from trauma. In Buyi medicine, the roots of canna are used externally to treat injuries from falls and fractures.

In Zhuang medicine, canna can treat deafness and heart disease, the rhizome can treat icteric hepatitis and hot cough, and the seeds can be used for postpartum weakness.