Habitus teak

Large tree with a rounded trunk straight, reaching a total height of 40 m. Branch-free trunk (clear bole) can reach 18-20 m. In natural forests are not managed there is also individual teak trunked twisted. While teak Blimbing variant has a grooved or threaded rod in, and teak Pring (Jw., bamboo) seems as if jointed bamboo-like book. Bark greyish yellow brown, fractured shallow elongated grooves batang.dan in Indonesian society is often misunderstood by plant teak jabon (antocephalus cadamba) when they were of different types.

Teak (Tectona grandis sp.) meraksasa can grow for hundreds of years with a height of 40-45 meters and a diameter of 1.8 to 2.4 meters. However, the average teak tree reaches a height of 9-11 meters, with a diameter of 0.9 to 1.5 meters.

Teak is a tree which is considered both a ribbed circumference large, straight trunked, and little branches. The best teak trees usually come from more than 80 years old.

The leaves are generally large, round eggs upside down, face to face, with a very short stalk. The leaves on the tree seedlings are large, about 60-70 cm × 80-100 cm, while the old tree down to about 15 × 20 cm. Downy hair and has a gland on the surface underneath. Young leaves are reddish and pulled out a blood-red sap when squeezed. The young twigs, incorporating rectangular, and gnarled in his books.

Compound interest is located in a large panicle, 40 cm × 40 cm or larger, containing hundreds of flowers arranged in umbrella menggarpu child and is located at the end of the branch; far at the top of the tree canopy. Taju crown fruit 6-7, whitish, 8 mm. Married one.

Fruit is round somewhat flattened, 0.5 to 2.5 cm, coarse hair with a thick core, seeds 2-4, but generally only one that grows. Fruit tersungkup by the magnification of the swell petals resembling a small balloon.

Ref :
http://id.wikipedia.org/wiki/Jati