Lansium domesticum

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Lansium domesticum
Majayjay,Lagunajf8987 06.JPG
Lansium domesticum tree with fruits in Laguna, Philippines
Paete,Lagunajf6182 09.JPG
Lansium domesticum fruits
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Meliaceae
Genus: Lansium
Species:
L. domesticum
Binomial name
Lansium domesticum
Synonyms [1] [2]
List
    • Aglaia aquea(Jacq.) Kosterm.
    • Aglaia domestica(Corrêa) Pellegr.
    • Aglaia dookooGriff.
    • Aglaia intricatoreticulataKosterm.
    • Aglaia merrilliiElmer nom. inval.
    • Aglaia sepalina(Kosterm.) Kosterm.
    • Aglaia steenisiiKosterm.
    • Amoora racemosaRidl.
    • Lachanodendron domesticum(Corrêa) Nees
    • Lansium aqueum(Jack) Miq.
    • Lansium javanicumM.Roem.
    • Lansium sepalinumKosterm.

Lansium domesticum, [1] commonly known as langsat ( /ˈlɑːŋsɑːt/ ) [3] [4] or lanzones ( /lɑːnˈzɔːnɛs/ ,- /ˈsɔː/ -) [5] [6] [7] 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. [1] [3] [8] [9]

Contents

Description

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. [10]

The pinnately compound leaves are odd numbered, 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). [10]

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. [11] 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. [10]

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, [12] 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. [10] 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. [13] For consumption, cultivars with small or undeveloped seeds and thick aril are preferred.

Cultivars

Botanical illustration of L. domesticum leaves, flowers, and fruits, from Flora de Filipinas (c. 1837) by the Spanish friar and botanist Manuel Blanco Lansium domesticum Blanco1.117.png
Botanical illustration of L. domesticum leaves, flowers, and fruits, from Flora de Filipinas (c. 1837) by the Spanish friar and botanist Manuel Blanco

There are numerous cultivars of L. domesticum. Overall, the two most commonly grown cultivars are 'Duku' and 'Langsat'. [10]

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. [5] [6]

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. [16] [13] [17]

Another variety grown in Indonesia is 'Kokosan' (also known by various other native names, including pisitan, pijetan, and bijitan). It is distinguished by its hairy leaves, as well as the tightly packed dark yellow fruit on its bunches. The fruit tends to be small, with thin skin and little sap; the skin is difficult to remove. To be eaten, the fruit is bitten and the flesh sucked through the hole created, [10] or rubbed until the skin breaks and the seeds are retrieved. The seeds are relatively large, with thin, sour flesh. [14]

Reproduction

Peeled L. domesticum, showing the clear-white aril around the seed Lansiumdomesticumfruit.jpg
Peeled L. domesticum, showing the clear-white aril around the seed

The seeds of L. domesticum are polyembryonic, the multiple embryos resulting from apomixis. [18]

Lansium domesticum is traditionally reproduced by spreading seedlings, either cultivated or collected from below the tree. [19] It has been said that new seedlings require 20 to 25 years to bear fruit, with the possibility of the quality being inferior. [19] [20] However, other sources quote 12 years to first production from seed and no variations. Production often varies from year to year, and depends to some extent on having a dry period to induce flowering. One example of ten trees in Costa Rica about twenty-five years old produced during five years the following weights of salable fruits: 2008: 50 kilos, 2009: 2000 kilos, 2010: 1000 kilos, 2011: 100 kilos, 2012: 1500 kilos. Experiments in the Philippines with grafting where two trees are planted close to each other and then grafted when one to two meters tall to leave twin root systems on a single main trunk have resulted in earlier and less erratic fruit production.

Another common method is by air layering. Although the process requires up to several months, [20] the new rooted tree produced is itself ready to bear fruit within two years. Trees cultivated with this method have a high death rate, [10] and the growths are less resilient. [21]

The third common way to reproduce L. domesticum is with grafting. This results in the new trees having the same genetic characteristics as their parent, and being ready to bear fruit within five to six years. The offspring are relatively stronger than transplanted shoots. [19]

Ecology

A Lansium domesticum agroforest in Musi Rawas, Sumatra, Indonesia Lans dom 061203 1735 mura.jpg
A Lansium domesticum agroforest in Musi Rawas, Sumatra, Indonesia

Lansium domesticum grows well in mixed agroforests. The plant, especially the duku variant, prefers damp, shaded areas. It can be grown in the same agroforest as durian, petai, and jengkol, as well as wood-producing trees. [10] [21]

Lansium domesticum is grown from low grounds up to heights of 600 metres (2,000 ft) above sea level, in areas with an average rainfall of 1,500 to 2,500 millimetres (59 to 98 in) a year. The plant can grow and blossom in latosol, yellow podzol, and alluvium. [21] The plant prefers slightly acidic soil with good drainage and rich in mulch. The langsat variant is hardier, and can weather dry seasons with a little shade and water. [10] The plant cannot handle floods. [13]

Lansium domesticum generally bears fruit once a year. This period can vary between areas, but blooming is generally after the beginning of the rainy season and fruit production some four months later.

Distribution

La Vendedora de Lanzones ("The Lanzones Seller") by the Filipino painter Felix Resurreccion Hidalgo (1875) in the Museo del Prado La vendedora de lanzones, de Felix Resurreccion Hidalgo.jpg
La Vendedora de Lanzones ("The Lanzones Seller") by the Filipino painter Félix Resurrección Hidalgo (1875) in the Museo del Prado

Lansium domesticum is native to the Malesian phytochorion of Southeast Asia, from Peninsular Thailand and Peninsular Malaysia, to Java, Sumatra, Borneo, the Philippines (Luzon, Camiguin, Basilan, and Mindanao), Sulawesi, and the Lesser Sunda Islands. [1] [22] [23]

It has also been introduced to Laos, Cambodia, Vietnam, Myanmar, the Maluku Islands, New Guinea, Micronesia, Hawaii, Sri Lanka, India, the Seychelles, Trinidad and Tobago, and Suriname, among others. [1] [22] [13]

The tree is cultivated commercially in the Philippines (Filipino lansones, Cebuano buwabuwa or buahan, among other names), Thailand (Thai : ลางสาด, langsat), Cambodia, Vietnam, India, and Malaysia. Java "Duku". It grows well in the wetter areas (120 inches/3 meters or more annual rainfall) of Costa Rica, where it is still very rare, having been introduced decades ago by the United Fruit Company. A major hindrance to its acceptance seems to be that it is very slow in bearing, said to take 12 years or more from seed. However, air layering from mature trees, as well as grafting, are said to work well and produce much faster. [13]

Uses

The largest producers of Lansium domesticum are the Philippines, Indonesia, Thailand, and Malaysia. The production is mostly for internal consumption, although some are exported to Singapore, Hong Kong and Kuwait.

Lansium domesticum is cultivated mainly for its fruit, which can be eaten raw. The fruit can also be bottled in syrup. [10] The wood is hard, thick, heavy, and resilient, allowing it to be used in the construction of rural houses. [14]

In culture

Street dancers in traditional Kamigin Manobo attire in the Lanzones Festival of Camiguin Island, Philippines Lanzones Festival - Camiguin.jpg
Street dancers in traditional Kamigin Manobo attire in the Lanzones Festival of Camiguin Island, Philippines

In the Philippines, the island of Camiguin holds an annual Lanzones Festival in October in celebration of the fruit and the indigenous culture of the island's Kamigin Manobo people. [24] [25] The town of Paete, Laguna in the northern Philippines, also holds the annual Paet-Taka-Lanzones Festival every third week of September. [26] The barangay of Concepcion in the city of Talisay, Negros Occidental, where the cultivar 'Concepcion' originates from, also celebrates the fruit in the Maradula Festival (an acronym for Marang, Mangosteen, Rambutan, Durian and Lanzones). Maradula Festival was originally also known as the "Lanzones Festival" in the 1980s, but the name was changed in 2009 to include other local fruit products and to avoid confusion with the Camiguin festival. [27] [28]

In Thailand, an annual Langsat Festival is held in Uttaradit province every September. [29]

See also

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References

  1. 1 2 3 4 5 "Lansium domesticum Corrêa". Plants of the World Online. Royal Botanic Gardens Kew. Retrieved 25 April 2024.
  2. ↑ "The Plant List: A Working List of All Plant Species" . Retrieved 16 May 2014.
  3. 1 2 "Lansium domesticum". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 4 September 2019.
  4. ↑ "Lansium domesticum". European and Mediterranean Plant Protection Organization (EPPO). Retrieved 20 October 2023.
  5. 1 2 3 4 5 6 Loquias, Virgilio. Production Guide for Lanzones (PDF). Bureau of Plant Industry, Department of Agriculture, Republic of the Philippines. Retrieved 25 April 2024.
  6. 1 2 3 4 5 6 Bureau of Product Standards (2007). "Fresh fruits – Lanzones – Grading and classification" (PDF). Philippine National Standard (PNS/BAFPS 54). Department of Trade and Industry, Republic of the Philippines.
  7. 1 2 3 Salma, I.; Razali, B. (1987). "The Reproductive Biology of Duku Langsat Lansium Domesticum Corr. (Meliaceae) in Peninsular Malaysia" (PDF). MARDI Research Bulletin. 15 (2): 141–150.
  8. ↑ Coombes, Allen J. (2011). Dictionary of Plant Names: Botanical Names and Their Common Name Equivalents. Timber Press.
  9. ↑ "Langsat". hort.purdue.edu. Retrieved 20 March 2023.
  10. 1 2 3 4 5 6 7 8 9 10 11 12 Verheij, E.W.M.; Coronel, R.E., eds. (1997). Sumber Daya Nabati Asia Tenggara 2: Buah-buahan yang dapat dimakan[Botanical Resources of South-East Asia 2: Edible Fruits] (in Indonesian). Jakarta: PROSEA – Gramedia. pp. 232–237. OCLC   426214596.
  11. ↑ Jan van Steenis, Cornelis Gijsbert Gerrit (1987). Flora, untuk sekolah di Indonesia[Flora, For Indonesian Schools] (in Indonesian). Jakarta: PT Pradnya Paramita. p. 255. ISBN   978-979-408-114-3.
  12. ↑ "Langsat (Longkong): Description of the Fruit, Useful and Harmful Properties, Photo - Crop Production".
  13. 1 2 3 4 5 Morton, Julia F. (1987). Fruits of warm climates. Miami, Fla.: Florida Flair Books. pp. 201–203. ISBN   978-0-9610184-1-2.
  14. 1 2 3 4 Heyne, K. (1987). Tumbuhan Berguna Indonesia[Useful Indonesian Plants] (in Indonesian). Vol. 2. Jakarta: Yayasan Sarana Wana Jaya. pp. 1126–1128. OCLC   21826488.
  15. 1 2 Techavuthiporn, Chairat (2018). "Langsat— Lansium domesticum". Exotic Fruits: 279–283. doi:10.1016/B978-0-12-803138-4.00036-8. ISBN   978-0-12-803138-4.
  16. ↑ Whitman, William F. (1980). "Growing and Fruiting the Langsat in Florida". Proceedings of the Florida State Horticultural Society. 93: 136–140.
  17. ↑ Ekachai, Sanitsuda (15 September 2018). "Seeing the langsat for the trees". Bangkok Post. Retrieved 25 April 2024.
  18. ↑ Kiew, R.; Teo, L.L.; Gan, Y.Y. (2003). "Assessment of the hybrid status of some Malesian plants using Amplified Fragment Length Polymorphism". Telopea. 10: 225–233. doi: 10.7751/telopea20035617 .
  19. 1 2 3 Suparwoto. "Teknik Perbanyakan Duku Dengan Sambung Pucuk (Lansium domesticum Corr.)" [Duku Reproduction with Grafting (Lansium domesticum Corr.)] (in Indonesian). Archived from the original on 31 March 2012. Retrieved 6 November 2011.
  20. 1 2 Polo, D.C. (1926). "Propagation of the lanzon by marcotage and by cuttings". The Philippine Agriculturists. 14 (9): 613–623.
  21. 1 2 3 "Duku Condet". Iptek.net (in Indonesian). Sentra Informasi IPTEK. Archived from the original on 30 October 2009. Retrieved 6 November 2011.
  22. 1 2 Hassler, M. "Lansium domesticum Correa". World Plants: Synonymic Checklists of the Vascular Plants of the World (version Nov 2018). Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist. Retrieved 24 September 2019.
  23. ↑ Pelser, P.B.; Barcelona, J.F.; Nickrent, D.L. "Meliaceae". Co's Digital Flora of the Philippines. Retrieved 24 September 2019.
  24. ↑ Deere, Kiki (2017). Journey Through the Philippines An Unforgettable Journey from Manila to Mindanao. Tuttle Publishing. p. 102. ISBN   9781462918867.
  25. ↑ Atiyah, Jeremy; Backshall, Stephen; Cranmer, Jeff; Dalton, David; Dodd, Jan; Gray, Paul; Knight, Jonathan; de Ledesma, Charles; Leffman, David; Lewis, Mark; Lewis, Simon; Martin, Steven; Reader, Lesley; Ridout, Lucy; Savage, Pauline; Stedman, Henry (2002). The Rough Guide to Southeast Asia. Rough Guides. p. 807. ISBN   9781858288932.
  26. ↑ "'Buahanan 2015', and ika-36 na Lanzones Festival". Balita: 6. 19 October 2015.
  27. ↑ "The "lansium domesticum" invasion". SunStar. 11 October 2013. Retrieved 25 April 2024.
  28. ↑ Haguisan, Ismael A. III; Ituriaga, Christian Angelo B.; Arinal, Ronald John T.; de Guzman, Johnson D.; Lopez, Xilron Rex G.; Sanz, Darlene S.; Vinson, Carla Joy M. (2019). "Maradula Festival: The Experiences of the Host Community in Festival Management" (PDF). Philippine Journal of Hospitality and Tourism Management. 1 (1): 136–154.
  29. ↑ "Uttaradit Langsat Festival: 16-25 September 2011". Thailand Festivals. Archived from the original on 30 October 2012. Retrieved 25 April 2024.
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