Types of Teak Trees:
1. Teak “Lengo” is also dark in color, with spots and stripes
2. Teak “Sungu” black, dense, and heavy
3. Teak “Werut”, which is a teak tree that has hardwood and wavy fibers
4. Teak “Doreng”, very hard wood with bright black stripes, very beautiful.
However, teak forests are most widely distributed in the provinces of Central Java and East Java, namely up to an altitude of 650 meters above sea level. Only in the Besuki area does teak grow no more than 200 meters above sea level.
Teak is most widely spread in Asia. In addition to the four countries of origin of teak and Indonesia, teak was developed as forest plantations in Sri Lanka (since 1680), China (early 19th century), Bangladesh (1871), Vietnam (early 20th century), and Malaysia (1909).