In New Zealand, Kowhai is more concentrated along the river valley, mostly in valleys, roadsides and villages. Light loving, deep rooted and fast growing. The wood is hard and elastic. It is used for building ships, vehicles, utensils and carving. Kowhai is the national tree of New Zealand.
The flower buds and fruits of Kowhai are used as medicine. They are cool in nature and bitter in taste. They can cool blood and stop bleeding. They are mainly used for treating intestinal wind and hemorrhoids. The fruit performance is similar to that of Sophora japonica. Root skin decocting juice, treating fire scald; Flowers can be used as yellow dye; They are also green trees, street trees and honey source trees.