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Wednesday, July 14, 2010

Pohon Rambutan

Rambutan is a tropical plant belonging to the tribe lerak-lerakan or Sapindaceae, originating from the islands of Southeast Asia. The word "rambutan" comes from the fruit that have a shape resembling the skin of hair.

Rambutan numerous in tropical regions such as Africa, Cambodia, Caribbean, Central America, India, Indonesia, Malaysia, Philippines, Thailand and Sri Lanka.

Pemerian Botani

Evergreen trees, like the warm tropical temperatures (average temperature 25 degrees Celsius), can reach 8m tall but usually tajuknya widened to 4m radius. Leaves pinnate compound leaves with five to nine children, an oval, with variations depending on age, position in the tree, and local races.

Rambutan growth is influenced by water availability. After a period of fruiting is complete, rambutan trees will blossom (flushing) to produce new branches and leaves. This stage is very clearly observed with a light green color of the tree because it is dominated by the young leaves. This growth will stop when water availability is limited and the rest to grow plants.

Flowering and flower

This plant produces flowers after seven years if planted from seed, but at age 2 years can already flowering when vegetatively propagated. Rambutan usually settle in two, but is androdioecious, there are male plants and plant sissy. Male plants never produce fruit.

Rambutan flowering season or affected by water availability. Dry period of three months to stop vegetative growth and stimulate flower formation. In the area of northern Sumatra, who knew no rambutan dry season can produce fruit twice a year. In other places, flowers appear usually after a dry period of three months (in Java and Kalimantan, usually in October and November).

Compound interest, arranged in a bouquet, with flowers the size of the unit 5mm in diameter or even smaller. Male flowers do not produce buds. New pansy flowering plants normally produce male flowers, then followed with interest by means of the female (pistil). Pansy flowers (hermaphrodite) have functional stamens and the ovary has two, although if fertilization occurs only one who usually grow up to mature, while others were reduced. Pollination carried out by different types of bees, but most often present is Trigona, small bees without stings the size of a fly. In many apiari, rambutan flowers are also a major source of nectar for bees pet.


Rambutan fruit wrapped in leather that has "hair" on the outside (eksokarp). The color is green when young, then gradually yellow to red when ripe / ripe. Endokarp white, obscuring the "meat". The edible parts of fruit, "fruit", actually is coated seed or aryl, which can be attached firmly on the outer shell beans or off ("rambutan ace" / ngelotok).

Mature fruit trees with very interesting because it is usually very much rambutan fruit. If the seasonal growth, the fruit ripe in March to May, is known as "rambutan season." Time is usually in conjunction with seasonal fruits, like durian and mango.

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