Kawarigi
Kawarigi is a Japanese term that refers to an eccentric or unusual tree that does not conform to the typical bonsai styles or categories. It is a tree with a very difficult trunk shape, such as twisted, contorted, or irregular. Kawarigi trees are often admired for their uniqueness and natural beauty, as they express the hardships and challenges that the tree has faced in its life. Kawarigi trees are rare and hard to find, and require a lot of skill and creativity to cultivate and display.