Kaya Tree or Japanese Torreya (Torreya nucifera) is a slow-growing, long-lived conifer tree. This tree is native to Japan (Tohoku, Yakushima, Gunma, dan Fukushima) and Jeju Island in South Korea. In Japan, this tree is known as カヤ, in China it is called 日本榧树, and in Korea 비자나무. The kaya tree is valued for its…