Arenga pinnata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Arecales
Family: Arecaceae
Genus: Arenga
Species:
A. pinnata
Binomial name
Arenga pinnata

Arenga pinnata (syn. Arenga saccharifera) is an economically important feather palm native to tropical Asia, from eastern India east to Malaysia, Indonesia, and the Philippines in the east.[1] Common names include sugar palm, areng palm (also aren palm or arengga palm), black sugar palm, and kaong palm, among other names.[2][3]

19th-century illustration from Flora de Filipinas by Francisco Manuel Blanco

Description

It is a medium-sized palm, growing to 20 metres (66 feet) tall, with the trunk remaining covered by the rough old leaf bases. The leaves are 6–12 m (20–39 ft) long and 1.5 m (5 ft) broad, pinnate, with the pinnae in 1–6 rows, 40–70 centimetres (16–28 inches) long and 5 cm (2 in) broad. The fruit is subglobose, 7 cm (3 in) diameter, green maturing black.[4]

Ecology

A. pinnata suffers from the Red Palm Weevil, Rhynchophorus ferrugineus.[5] A. pinnata is one of the major hosts for R. ferrugineus in China.[5]

It is not a threatened species, though it is locally rare in some parts of its range. It serves as an important part of the diet of several endangered species, including cloud rats of the genus Phloeomys.

Uses

The timber is used for high grade construction, posts, beams, flooring, interior finish, wharf bridge building and other uses where strength and durability are important.

Sap

The sap is harvested for commercial use in southeast Asia, yielding a sugar known in India as gur or in Indonesia as gula aren. The sap is collected and made as lahang, a traditional cold sweet drink, and is also fermented into vinegar (Filipino sukang kaong), palm wine (Filipino tubâ, Malaysian and Indonesian tuak, in eastern Indonesia sageru), which in turn is distilled into a spirit (sopi in Maluku, cap tikus in North Sulawesi).[3][6][7]

Edmund Roberts talks about drinking an alcoholic beverage made in the Cavite area. He described it as a "fermented" and "intoxicating liquor". He said that it was "the pith furnished with sugar – when the liquor was properly boiled down, a farina...and of the inside of its triangular-shaped fruit a sweetbread was made."[8]

Sugar (jaggery) is also commonly derived from the fresh sap in Indonesia and the Philippines. These are traditionally prevented from fermenting by placing crushed chili or ginger in the collecting container. The sap is boiled until it reduces to a thick syrup which is then dried into a brown sugar. Similar sugar extraction methods are also traditionally used for other sugar palms, like the buri palm (Corypha elata).[3]

The raw juice and pulp are caustic. This crop may develop into a major resource of biofuel (ethanol).

Fruit

The immature fruits are widely consumed in the Philippines (called kaong) and Indonesia (called buah kolang-kaling or buah tap) and are made into canned fruits after they are boiled in sugar syrup.[3]

The seeds can be used in many different recipes, such as sour soup, or eaten with pandan juice, syrup, or coconut milk. These seeds have a chewy and sweet flavor .Young seeds are soft and easy to chew. When the fruits are overripe, they will have a harder texture.[9]

The boiled water obtained from boiling fruits can also be utilized as a natural dye for fabrics.

Fruit stalk

The fruit stalk can be cut it into smaller stick used as firewood. Some people also utilized it as part of furniture.[10]

Young shoot

In Thailand, some people eat the young shoot with chili sauce, and use them as cooking ingredients in dishes like soup.[11]

Fibres

The dark fibrous bark (known as doh in India; ijuk in Indonesia; and yumot or cabo negro in the Philippines), is manufactured into cordage, brushes, brooms, thatch roofing, or filters.[3]

According to the study on bas-reliefs of Javanese ancient temples such as Borobudur, this type of roof are known in ancient Java vernacular architecture. It can be found today in Balinese temple roof architecture and Minangkabau Rumah Gadang gonjong horn-like curved roof architecture, such as those found in Pagaruyung Palace.

In Thailand, fibres were once used to create raincoats for miners called Jang Sui (Thai: จั่งซุ้ย).[12]However, the cloth made of this plant has a rough texture, making it unsuitable for creating outfits.[13]

Leaves

The leaves as well as the leaf midribs can be used to weave baskets and marquetry work in furniture.[3]

Starch

In Indonesia, starch can also be extracted from sugar palms and used in place of rice flour in noodles, cakes, and other dishes.[3]

Trunk

the trunks are typically used for making tools and furniture. Moreover, there are weevils living inside the trunk. People who reach the hills to collect the fruits occasionally bring those weevils home to cook and eat.

Survival food

The seeds can be boiled and the stem tips can be eaten as vegetables. The young flower stalks can be bruised to obtain the juice.[14]

Harvesting

Various methods are employed to climb and harvest the fruits. In some regions in Thailand, locals make use of a bamboo ladder with natural step-like protrusions which in Thai known as Phaong (Thai: พะอง). Harvesters use a vine to attach this bamboo ladder to the trunk, providing them with steps to climb up and reach the fruits. Some areas utilize hemp rope and slingshot. However, this method requires at least 2 people to collect the fruits as one of them must be responsible for climbing trees and harvesting the fruits, while the other stays on the ground to pull the climbing rope.

During sap harvesting period, workers collect the sap twice a day, once in the morning and again in the evening. From a single tree, they typically obtain around 15-20 liters of fresh sap in each harvest. Bamboo tubes or plastic buckets are utilized to collect the dripping sap.[15][16]

Culture

In the Philippines, an annual Irok Festival is celebrated in the municipality of Indang in Cavite which is a major producer of kaong fruits, sukang kaong, and tubâ in the country. Irok is a local name for Arenga pinnata in the northwestern Philippines.[17][18]

According to Sundanese folklore, the spirit known as Wewe Gombel dwells in the Arenga pinnata palm, where she also has her nest and keeps the children she abducts.

The world's first ever crossword puzzle, labelled "Word-Cross" in the 21 December 1913 edition of New York World newspaper's Sunday Fun supplement and created by Arthur Wynne, a Liverpool, UK-born journalist, included a clue: The fibre of the gomuti plant. The answer was doh.[19]

In some areas of southern Thailand, such as Ban Khlong Bor Saen and Bang Toei, Phang Nga, cultural beliefs associated with Arenga pinnata are prevalent. The trees are intertwined with the locals' lives and serve as a source of income for the villagers over generations. The locals typically call this plant Chok (Thai: ชก) or Nao (Thai: เหนา) .[11][20] However, it has a nickname "Ton Luk Kha Mae" (Thai: ต้นลูกฆ่าแม่) which means a child kills its mother, as the Arenga pinnata in those areas can produce fruits only once in its lifetime and it will perish within 4 -5 years.[21][9]

A belief revolves around the practice of singing and dancing during the sap tapping process. Locals believe that when the tree is surrounded by music, it yields abundantly and the sap quality is enhanced. While climbers harvest sap, some ground workers actively engage in singing and dancing.

Moreover, some locals have specific classifications for the female trees dividing them into three types, which are Nao saw (Thai: เหนาสาว), Nao Mae Mai (Thai: เหนาแม่ม่าย), and Nao Kae (Thai: เหนาแก่). The word “Nao” refers to the tree while each subsequent word provides a different meaning that signifies the duration the tree has been tapped for sap.

Nao Saw (Thai: เหนาสาว) refers to the trees that have not been used to collect sap before. The term “Saw” (Thai: สาว) means young woman.

Nao Mae Mai (Thai: เหนาแม่หม้าย) refers to the trees that have been used to collect sap, with the process repeated around a year. The term “Mae Mai” (Thai: แม่หม้าย) means widow.

Nao Kae (Thai: เหนาแก่) refers to the trees that have been used to collect sap continuously for three years or more including very old ones. The term “Kae” (Thai: แก่) means old.[15][20]

References

  1. ↑ Uhl, Natalie W.; Dransfield, John. Genera Palmarum – A classification of palms based on the work of Harold E. Moore, Jr. Lawrence, Kansas, USA: Allen Press. ISBN 978-0-935868-30-2. OCLC 15641317.
  2. ↑ "Kaong Arenga pinnata (Wurmb) Merr". Philippine Medicinal Plants. Retrieved 23 December 2018.
  3. 1 2 3 4 5 6 7 Florido, Helen B.; de Mes, Priscilla B. (2003). "Sugar palm [Arenga pinnata (Wurbm.) Merr.]" (PDF). Research Information Series on Ecosystems. 15 (2): 1–7.
  4. ↑ Riffle, Robert L.; Craft, Paul. An Encyclopedia of Cultivated Palms. Portland, Oregon, USA: Timber Press. ISBN 0-88192-558-6. OCLC 49760622.
  5. 1 2 Peng, Lu; Hou, Youming (2017). "13. Red Palm Weevil Rhynchophorus ferrugineus (Olivier)". In Wan, Fanghao; Jiang, Mingxing; Zhan, Aibin (eds.). Biological invasions and its management in China. Dordrecht, Netherlands: Springer. pp. 245–256/xiv+366. doi:10.1007/978-94-024-0948-2_13. ISBN 978-94-024-0946-8. OCLC 984692367. S2CID 91164620. ISBN 978-94-024-0948-2. Page 247.
  6. ↑ "List of Philippine vinegars". Glossary of Filipino Food ...and essays on the world's "original fusion cuisine" too. Retrieved 23 December 2018.
  7. ↑ Edgie Polistico (2017). Philippine Food, Cooking, & Dining Dictionary. Anvil Publishing, Incorporated. ISBN 9786214200870.
  8. ↑ Roberts, Edmund (1837). Embassy to the Eastern Courts of Cochin-China, Siam, and Muscat. New York: Harper & Brothers. p. 59.
  9. 1 2 "ลูกชก ผลไม้โบราณ นานกว่าจะออกลูก". Kaset Organic. Archived from the original on 4 December 2022.
  10. ↑ Panthong, P. (2023). "ก้านดอกชก". Onceinlife.
  11. 1 2 Jivananthaprawat, B. (2013). "ลูกชก..ไม่ใช่ลูกชิด ของดี..เมืองพังงา". Thairath. Archived from the original on 25 September 2014.
  12. ↑ "จั่งซุ้ย : เสื้อกันฝนชาวเหมือง". Navanurak.
  13. ↑ Jitwarin, T.; Jitwarin, L.; Mekkaeo, B.; Nirattisai, B.; Nantachai, K.; Sriboonjit, P.; Sani, S. (2022). "THE DEVELOPMENT OF WOVEN FABRIC MIXED WITH SUGAR PALM (ARENGA PINNATA WERR) PEDUNCLE'S FIBER". VRU Research and Development Journal Science and Technology. 17 (3): 75–85.
  14. ↑ The Complete Guide to Edible Wild Plants. United States Department of the Army. New York: Skyhorse Publishing. 2009. p. 99. ISBN 978-1-60239-692-0. OCLC 277203364.{{cite book}}: CS1 maint: others (link)
  15. 1 2 Klomdet, S. (2022). "น้ำตาลชก น้ำตาลเหนา รสหวานลึกกลางเขาหิน". KRUA.CO. Archived from the original on 27 March 2023.
  16. ↑ "การทำน้ำตาลเหนา". M-culture. 2022.
  17. ↑ Urlanda, Randy V. "Irok Festival". Cavite.info. Retrieved 23 December 2018.
  18. ↑ "The Making of Arenga Pinnata Vinegar". FoodRecap. Archived from the original on 23 December 2018. Retrieved 23 December 2018.
  19. ↑ Donovan, Tristan. It's All A Game — A short history of board games. London, UK: Atlantic Books (2018). ISBN 978-1-78649-453-5. p154.
  20. 1 2 Mekkaeo, B.; Jitwarin, T. (2023). "Ton Nao Lullaby: The Community Way and Belief of Ban Khlong Bor Saen Villagers". Journal of MCU Philosophy review. 6 (1): 81–86.
  21. ↑ KOEY. "ท้าให้ลอง "ลูกชก" ของดีเมืองพังงา". Nairobroo. Archived from the original on 3 June 2023.
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