| Borassus flabellifer | |
|---|---|
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| Fruiting specimen | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Arecales |
| Family: | Arecaceae |
| Genus: | Borassus |
| Species: | B. flabellifer
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| Binomial name | |
| Borassus flabellifer | |
| Synonyms[1] | |
Borassus flabellifer, commonly known as doub palm, palmyra palm, tala or tal palm, toddy palm, lontar palm, wine palm, ထန်းပင် (htan-pin) or ice apple,[2][3] is a fan palm native to South Asia (especially in Bangladesh, East India, and South India) and Southeast Asia.[4] It is reportedly naturalized in Socotra and parts of China.[5][6]
Borassus flabellifer is a robust tree and can reach a height of 30 metres (98 ft). The trunk is grey, robust and ringed with leaf scars; old leaves remain attached to the trunk for several years before falling cleanly. The leaves are fan-shaped and 3 m (9.8 ft) long, with robust black teeth on the petiole margins. Like all Borassus species, B. flabellifer is dioecious with male and female flowers on separate plants. The male flowers are less than 1 centimetre (0.39 in) long and form semi-circular clusters, which are hidden beneath scale-like bracts within the catkin-like inflorescences. In contrast, the female flowers are golfball-sized and solitary, sitting upon the surface of the inflorescence axis. After pollination, these blooms develop into fleshy fruits 15–25 centimetres (5.9–9.8 in) wide, each containing 1-3 seeds. The fruits are black to brown with sweet, fibrous pulp and each seed is enclosed within a woody endocarp. Young palmyra seedlings grow slowly, producing only a few leaves each year (establishment phase), but at an as yet undetermined time, they grow rapidly, producing a substantial stem.[6]
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The fruit (palmyra fruit) measures 10 cm (3.9 in) to 18 cm (7.1 in) in diameter, has a black husk, and is borne in clusters. The top portion of the fruit must be cut off to reveal the sweet jelly seed sockets, translucent pale-white, similar to that of the lychee but with a milder flavor and no pit. The sweet jelly seed sockets occur in combinations of two, three or four seeds inside the fruit. The jelly part of the fruit is covered with a thin, yellowish-brown skin. These are known to contain watery fluid inside the fleshy white body. These seed sockets have been the inspiration behind certain sandeshes called jolbhora (জলভরা) found in Bengal. The soft orange-yellow mesocarp pulp of the ripe fruit is sugary, dense and edible, rich in vitamins A and C.[7] They also contain bitter compound called flabelliferrins, which are steroidal saponins.
The conventional way this fruit is eaten is when the outer casing is still unripe while the seeds are eaten as the fruit. But if the entire fruit is left to ripen, the fibrous outer layer of the palm fruits can also be eaten raw, boiled, or roasted. When this happens, the fruit takes a purple-blackish hue and tastes similar to coconut flesh. The skin is also eaten as part of the fruit similar to how mango skins are often consumed along with the fruit. Bengalis have perfected the art of making various sweet dishes with the yellowish viscous fluid substance obtained from a ripe palm fruit. These include mustard oil-fried (alternately sunflower oil-fried) taler bora (তালের বড়া) "palmyra vadas" or mixed with thickened milk to prepare tal-khir (তাল ক্ষীর). Thais also use the fruit to make the steamed fluffy tala palm cake, call “Khanom Tan”.
In northern India, the fruit is known as Taad Gola in Hindi-Urdu (ताड़ गोला / تاڑ گولا). In Kerala it is called nonku (നൊങ്ക്) whereas in Tamil Nadu, it is called nungu (நுங்கு). In Odisha, it is called tala (ତାଳ). Ice apple in Indonesia is called buah lontar or siwalan. In Karnataka it is called "Taati Nungu"(ತಾಟಿ ನುಂಗು / ತಾಟಿ ನಿಂಗು). In Myanmar, it is called htan-thee (ထန်းသီး). In Telangana and Andhra Pradesh, this fruit is called as "Thaati Munjalu" (తాటి ముంజలు). In Tulu language of Coastal Karnataka it is called “Erolu”(ಇರೋಲು).
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Obtaining the sap traditionally involves tapping the top shoots and collecting the dripping juice in hanging earthen pots (in some regions a plastic or bamboo bottle). The juice collected in evening or after fermentation becomes sour, and is called tadi (ताडी) in Marathi, hta-yay (ထန်းရည်) in Myanmar and Bhojpuri. This sap was the main source of sugar production in Thailand before sugarcane was introduced, as can be seen in the Thai word for sugar (น้ำตาล, nam tan), which literally means the water of the tala palm.[8]
A sugary sap can be obtained from the young inflorescence, either male or female [9] and it is concentrated to a crude sugar called jaggery or Tal Patali (তাল পাটালী) in Bengali, hta-nyat (ထန်းလျက်) in Myanmar and Pana Vellam or Karuppukatti (கருப்புகட்டி or கருபட்டி) in Tamil, or it can be fermented to make an alcoholic beverage called toddy or htan-yay hkar (ထန်းရည်ခါး) in Myanmar, or distilled to make a liqour arrack. The concentrated raw sugar obtained from palms is called Gula Jawa (Javanese sugar) in Indonesia, and is widely used in Javanese cuisine. In Thailand, it is called nam tan pik (น้ำตาลปึก), referring to the pack of sugar obtained from drying the palm sap, though in the modern day nam tan pik is often made from coconut water because the convenient of farming and harvesting.
In Thailand, there are techniques that utilize the anti-bacterial agents of some woods to keep the sap from becoming sour while tapping. After sterilization, the sap is available as a beverage called nam tan sod (น้ำตาลสด, lit. 'fresh tala palm water') or used to make an alcoholic beverage called nam tan mao (น้ำตาลเมา lit. 'drunken tala palm water'). “Nam tan”, literally means tala palm water, later acquired the meaning of “sugar “.
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Main article: Palmyra sprout |
In the Indian states of Tamil Nadu, Andhra Pradesh, Telangana and Bihar, and in Jaffna, Bengal, Sri Lanka, the seeds are planted and made to germinate and the fleshy stems (below the surface) are boiled or roasted and eaten. It is very fibrous and nutritious. It is known as Thegalu (తేగలు) or Gaygulu (గేగులు) or Gengulu (గెంగులు) (especially in Telangana) in Telugu, as Panai Kizhangu or Panangkizhangu (பனங்கிழங்கு) in Tamil, and as htabin myiq (ထန်းပင်မြစ်) in Myanmar.
The germinated seed's hard shell is also cut open to take out the crunchy kernel, which tastes like a sweeter water chestnut. It is called "Taal-Anti" (তাল আঁটি) in Bengali, "Sachi-Htway" (ဆံချည်ထွေး) in Myanmar, "Buragunju" (బురగుంజు) in Telugu and "Thava nai" in Tamil.
The white kernel of the ripe palm fruit after being left for a few months is used as an offering in Lakshmi Puja in various parts of Bengal and is also eaten raw.
In Thai cuisine, it is used as an ingredient to a type of curry, called “Kaeng Hua Tan”.
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Main article: Palm-leaf manuscript |
borassus_flabellifer.JPG)
The Borassus flabellifer leaves are used for thatching, mats, baskets, fans, hats, umbrellas, and as writing material.
All the literature of the old Tamil was written in preserved palm leaves also known as Palm-leaf manuscript. In Tamil Yaedu or Olai chuvadi. Most of the ancient literature in Telugu are written on palm leaves (Tala patra grandhas).
In Indonesia the leaves were used in the ancient culture as paper, known as "lontar" (from Old/Modern Javanese ꦫꦺꦴꦤ꧀ ꦠꦭ꧀ ron tal "tal leaves")[10] Leaves of suitable size, shape, texture, and maturity were chosen and then seasoned by boiling in salt water with turmeric powder, as a preservative. The leaves were then dried. When they were dry enough, the face of the leaf was polished with pumice, cut into the proper size, and a hole made in one corner. Each leaf made four pages. The writing was done with a stylus and had a very cursive and interconnected style.
The stem of the leaves has thorny edges (called "karukku" in Tamil).
The skin of the stem can be peeled off and be used as rope and also used to weave into cots (நார்க்கட்டில் in Tamil). In some part of Tamil Nadu, a variety of rice flour cake (called "Kozhukattai") is prepared using the leaf.
In the eastern part of India, the leaves are used to make hand fans. In Myanmar, the leaves are used to make hand fans for the Buddhist monks and are called "Yap" (ယပ်).
The stalks are used to make fences and also produce a strong, wiry fiber suitable for cordage and brushes. The black timber is hard, heavy, and durable and is highly valued for construction. It is superior to coconut timber, or red palm.
When the crown of the tree is removed, the segment from which the leaves grow out is an edible cake. This is called htan-ohn-hnauk (ထန်းဦးဏှောက်) in Myanmar, pananchoru (பனஞ்சோறு) in Tamil or thati adda (తాటి అడ్డ/తాటి మట్ట) in Telugu.
In Cambodia, where the palm is known as thnôt' (Khmer), the roots are dried and smoked to heal nasal complaints.[11]
Borassus flabellifer has a growth pattern, very large size, and clean habits that make it an attractive ornamental tree, cultivated for planting in gardens and parks as landscape palm species.
