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Lansium domesticum
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Lansium domesticum
Lansium domesticum, commonly known as langsat (/ˈlɑːŋsɑːt/) or lanzones, /lɑːnˈzɔːnɛs/,-/ˈsɔː/-) is a species of tree in the family Meliaceae with commercially cultivated edible fruits. The species is native to Southeast Asia, from peninsular Thailand and Malaysia to Indonesia and the Philippines.
The tree is average sized, reaching 30 metres (98 ft) in height and 75 centimetres (30 in) in diameter. 30 years old trees grown from seed and planted at 8 × 8 meter spacing can have a height of 10 meters and diameter of 25 cm. The trunk grows in an irregular manner, with its buttress roots showing above ground. The tree's bark is a greyish colour, with light and dark spots. Its resin is thick and milk coloured.
The pinnately compound leaves occur in odd numbers, with thin hair, and 6 to 9 buds at intervals. The buds are long and elliptical, approximately 9 to 21 centimetres (3.5 to 8.3 in) by 5 to 10 centimetres (2.0 to 3.9 in) in size. The upper edge shines, and the leaves themselves have pointed bases and tips. The stems of the buds measure 5 to 12 millimetres (0.20 to 0.47 in).
The flowers are located in inflorescences that grow and hang from large branches or the trunk; the bunches may number up to 5 in one place. They are often branched at their base, measure 10 to 30 centimetres (3.9 to 11.8 in) in size, and have short fur. The flowers are small, with short stems, and are perfect. The sheathe is shaped like a five lobed cup and is coloured a greenish-yellow. The corona is egg-shaped and hard, measuring 2 to 3 millimetres (0.079 to 0.118 in) by 4 to 5 millimetres (0.16 to 0.20 in). There is one stamen, measuring 2 millimetres (0.079 in) in length. The top of the stamen is round. The pistil is short and thick.
The fruit can be elliptical, ovoid or round, measuring 2 to 7 centimetres (0.79 to 2.76 in) by 1.5 to 5 centimetres (0.59 to 1.97 in) in size. Fruits look much like small potatoes and are borne in clusters similar to grapes. The larger fruits are on the variety known as duku. It is covered by thin, yellow hair giving a slightly fuzzy aspect. The skin thickness varies with the varieties, from 2 millimetres (0.079 in) to approximately 6 millimetres (0.24 in). With the skin removed, the fruit resembles peeled garlic in appearance, with around five white, translucent lobes, some of which contain a flat, bitter tasting seed. The seeds are covered with a thick, clear-white aril that tastes sweet and sour. The taste has been likened to a combination of grape and grapefruit and is considered excellent by most. The sweet juicy flesh contains sucrose, fructose, and glucose. For consumption, cultivars with small or undeveloped seeds and thick aril are preferred.
There are numerous cultivars of L. domesticum. Overall, the two most commonly grown cultivars are 'Duku' and 'Langsat'.
In the Philippines, the most commonly cultivated cultivars are the 'Paete' and 'Jolo' cultivars. In addition, 'Duku', 'Longkong', and other native cultivars, are also commercially cultivated in the Philippines.
Other notable varieties include 'Concepcion' (often misspelled as 'Conception', named after Concepcion, Talisay, Negros Occidental) from the Philippines; and 'Uttaradit', a cultivar that is a regional specialty of Uttaradit province, Thailand.
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Lansium domesticum
Lansium domesticum, commonly known as langsat (/ˈlɑːŋsɑːt/) or lanzones, /lɑːnˈzɔːnɛs/,-/ˈsɔː/-) is a species of tree in the family Meliaceae with commercially cultivated edible fruits. The species is native to Southeast Asia, from peninsular Thailand and Malaysia to Indonesia and the Philippines.
The tree is average sized, reaching 30 metres (98 ft) in height and 75 centimetres (30 in) in diameter. 30 years old trees grown from seed and planted at 8 × 8 meter spacing can have a height of 10 meters and diameter of 25 cm. The trunk grows in an irregular manner, with its buttress roots showing above ground. The tree's bark is a greyish colour, with light and dark spots. Its resin is thick and milk coloured.
The pinnately compound leaves occur in odd numbers, with thin hair, and 6 to 9 buds at intervals. The buds are long and elliptical, approximately 9 to 21 centimetres (3.5 to 8.3 in) by 5 to 10 centimetres (2.0 to 3.9 in) in size. The upper edge shines, and the leaves themselves have pointed bases and tips. The stems of the buds measure 5 to 12 millimetres (0.20 to 0.47 in).
The flowers are located in inflorescences that grow and hang from large branches or the trunk; the bunches may number up to 5 in one place. They are often branched at their base, measure 10 to 30 centimetres (3.9 to 11.8 in) in size, and have short fur. The flowers are small, with short stems, and are perfect. The sheathe is shaped like a five lobed cup and is coloured a greenish-yellow. The corona is egg-shaped and hard, measuring 2 to 3 millimetres (0.079 to 0.118 in) by 4 to 5 millimetres (0.16 to 0.20 in). There is one stamen, measuring 2 millimetres (0.079 in) in length. The top of the stamen is round. The pistil is short and thick.
The fruit can be elliptical, ovoid or round, measuring 2 to 7 centimetres (0.79 to 2.76 in) by 1.5 to 5 centimetres (0.59 to 1.97 in) in size. Fruits look much like small potatoes and are borne in clusters similar to grapes. The larger fruits are on the variety known as duku. It is covered by thin, yellow hair giving a slightly fuzzy aspect. The skin thickness varies with the varieties, from 2 millimetres (0.079 in) to approximately 6 millimetres (0.24 in). With the skin removed, the fruit resembles peeled garlic in appearance, with around five white, translucent lobes, some of which contain a flat, bitter tasting seed. The seeds are covered with a thick, clear-white aril that tastes sweet and sour. The taste has been likened to a combination of grape and grapefruit and is considered excellent by most. The sweet juicy flesh contains sucrose, fructose, and glucose. For consumption, cultivars with small or undeveloped seeds and thick aril are preferred.
There are numerous cultivars of L. domesticum. Overall, the two most commonly grown cultivars are 'Duku' and 'Langsat'.
In the Philippines, the most commonly cultivated cultivars are the 'Paete' and 'Jolo' cultivars. In addition, 'Duku', 'Longkong', and other native cultivars, are also commercially cultivated in the Philippines.
Other notable varieties include 'Concepcion' (often misspelled as 'Conception', named after Concepcion, Talisay, Negros Occidental) from the Philippines; and 'Uttaradit', a cultivar that is a regional specialty of Uttaradit province, Thailand.
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