|Candlenut foliage, flowers, and nut|
Aleurites moluccanus, the candlenut, is a flowering tree in the spurge family, Euphorbiaceae, also known as candleberry, Indian walnut, kemiri, varnish tree, nuez de la India, buah keras, godou, kukui nut tree, and rata kekuna.
The candlenut grows to a height of up to 30 m (98 ft), with wide spreading or pendulous branches. The leaves are pale green, simple, and ovate or heart-shaped on mature shoots, but may be three-, five-, or seven-lobed on saplings. They are up to 20 cm (7.9 in) long and 13 cm (5.1 in) wide and young leaves are densely clothed in rusty or cream stellate hairs. Petioles measure up to 12.5 cm (4.9 in) long and stipules about 5 mm (0.20 in).
Flowers are small—male flowers measure around 5 mm (0.20 in) in diameter, female flowers about 9 mm (0.35 in).
The fruit is a drupe about 4–6 cm (1.6–2.4 in) in diameter with one or two lobes; each lobe has a single soft, white, oily, kernel contained within a hard shell which is about 2 cm (0.79 in) in diameter. The kernel is the source of Candlenut oil.
This plant was first described by Carl Linnaeus in his work Species Plantarum (Sp. Pl. 2: 1006 (1753)) in 1753 as Jatropha moluccana. It was renamed as Aleurites moluccana in 1805 by Carl Ludwig Willdenow in a later edition of Species Plantarum (Sp. Pl. 4: 590 (1805)), but has since been renamed as Aleurites moluccanus.
While there are many online references to the name "Aleurites moluccana", this is not a name that is accepted by botanic authourities such as the International Plant Names Index (IPNI) or the Germplasm Resources Information Network (GRIN).
The genus name derives from the Ancient Greek ἄλευρον (áleuron), meaning "flour" or "meal", and refers to the new growth which appears to be dusted with flour. The species epithet means "from the Moluccas".
Distribution and habitat
The candlenut was first domesticated on the islands of Southeast Asia. Remains of harvested candlenuts have been recovered from archaeological sites in Timor and Morotai in eastern Indonesia, dated to around 13,000 and 11,000 BP, respectively. Archaeological evidence of candlenut cultivation is also found in Neolithic sites of the Toalean culture in southern Sulawesi dated to around 3,700 to 2,300 BP. Candlenuts were widely introduced into the Pacific islands by early Austronesian voyagers and became naturalized to high volcanic islands.
A. moluccanus grows in tropical rainforests and gallery forests. It is a very fast-growing tree and often appears in disturbed rainforest. In Australia the altitudinal range is from sea level to 800 m (2,600 ft).
The Proto-Austronesian word for candlenut is reconstructed as *kamiri, with modern cognates including Hanunó'o, Iban, and Sundanese muncang; Javanese and Malay kemiri; and Tetun kamii, but the Oceanian words for candlenut is believed to be derived, instead, from Proto-Austronesian *CuSuR which became Proto-Malayo-Polynesian *tuhuR, originally meaning "string together, as beads", referring to the construction of the candlenut torches. It became Proto-Eastern-Malayo-Polynesian and Proto-Oceanic *tuRi which is then reduplicated. Modern cognates including Fijian, Tongan, Rarotongan, and Niue tui-tui; and Hawaiian kui-kui or kukui.
Both the nut and the oil that can be extracted from it are used. While mildly toxic when raw, the nut is appreciated in many cultures once cooked or toasted. In Indonesian and Malaysian cuisine, it is commonly used in curries, and on the Indonesian island of Java, it is used to make a thick sauce that is eaten with vegetables and rice.
In the Philippines, the fruit and tree are traditionally known as lumbang, after which Lumban, a lakeshore town in Laguna province, is named. Before the intrusion of non-native species, it was frequently used as a property-line manager, because its silvery underleaf makes the tree easy to distinguish from a distance.
In ancient Hawaiʻi, kukui nuts were burned to provide light. The nuts were strung in a row on a palm leaf midrib, lit on one end, and burned one by one every fifteen minutes or so. This led to their use as a measure of time. Hawaiians extracted the oil from the nut and burned it in a stone oil lamp called a kukui hele po (light, darkness goes) with a wick made of kapa cloth.
Hawaiians had many other uses for the tree, including leis from the shells, leaves, and flowers; ink for tattoos from charred nuts; a varnish with the oil; and fishermen would chew the nuts and spit them on the water to break the surface tension and remove reflections, giving them greater underwater visibility. A red-brown dye made from the inner bark was used on kapa and aho (Touchardia latifolia cordage). A coating of kukui oil helped preserve ʻupena (fishing nets). The nohona waʻa (seats), pale (gunwales) of waʻa (outrigger canoes) were made from the wood. The trunk was sometimes used to make smaller canoes used for fishing. Kukui was named the state tree of Hawaii on 1 May 1959 due to its multitude of uses. It also represents the island of Molokaʻi, whose symbolic color is the silvery green of the kukui leaf.
As recently as 1993 on the outlying islands of the kingdom of Tonga, candlenuts were chewed into sweet-scented emollient used during a traditional funerary ritual. They were used for making various sweet-smelling oils for the skin.
In Fiji, this nut is called sikeci and its oil is used in cosmetic products.
In Maui, the kukui is a symbol of enlightenment, protection, and peace. Kamapuaʻa, the hog-man fertility demigod, was said to be able to transform into a kukui tree. One of the legends told of Kamapuaʻa: one day, a man beat his wife to death and buried her beneath Kamapuaʻa while he was in tree form.
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|Wikimedia Commons has media related to Aleurites moluccanus.|
|Wikispecies has information related to Aleurites moluccanus.|
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