Duku (Lansium domesticum)

Scientific classification

Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Meliaceae
Genus: Lansium
Species: L. domesticum

Duku is a common name from a kind of fruit Meliaceae tribe members. Plants originating from Southeast Asia to the west is also known with names such as-complexioned, kokosan, pisitan, celoring and others with numerous variations. The names of a wide range indicates the existence of this variety kultivar that is reflected from the form of fruit trees and different.
Duku is the identity of the plants for the province of South Sumatra.

Lansium domesticum is a medium-sized, single-trunked tree that usually grows from ten to fifteen meters tall.

The plant has pinnately compound leaves that grow to a length of around twenty to fifty centimeters long per leaf. Each fully-grown leaf has five to seven slightly-leathery, obovate leaflets that can reach a length of twenty centimeters each. A very prominent midrib bisects each dark green, glossy leaflet
Fruits are ovoid, roundish orbs around five centimeters in diameter, usually found in clusters of two to thirty fruits. Each round fruit is covered by yellowish, thick, leathery skin. Underneath the skin, the fruit is divided into five or six slices of translucent, juicy flesh. The flesh is slightly acidic in taste, although ripe specimens are sweeter. Green, seeds are present in around half of the segments, usually taking up a small portion of the segment although some seeds take up the entire segment's volume. In contrast with the sweet-sour flavor of the fruit's flesh, the seeds are extremely bitter.The sweet juicy flesh contains sucrose, saccharose, fructose and glucose

South Sumatra Province is one of the areas of duku the potential to be developed, known by the name duku Komering duku Palembang or who have unique tastes and have high economic value.
Area duku plant in South Sumatra 6430.16 ha with average productivity of 5.7 tons / ha / year (Sumsel Department of Agriculture, 2002). Duku increase plant during the time that the farmers are done with the use of seeds derived from the seeds.