Rattan, also spelled ratan, is the name for roughly 600 species of Old World climbing palms belonging to subfamily Calamoideae. The greatest diversity of rattan palm species and genera are in the closed-canopy old-growth tropical forests of Southeast Asia, though they can also be found in other parts of tropical Asia and Africa. Most rattan palms are ecologically considered lianas due to their climbing habits, unlike other palm species. Though a few species also have tree-like or shrub-like habits.
Around 20% of rattan palm species are economically important and are traditionally used in Southeast Asia in producing wickerwork furniture, baskets, canes, woven mats, cordage, and other handicrafts. Rattan canes are one of the world's most valuable non-timber forest products. Some species of rattan also have edible scaly fruit and heart of palm. Despite increasing attempts in the last 30 years at commercial cultivation, almost all rattan products still come from wild-harvested plants. Rattan supplies are now rapidly threatened due to deforestation and overexploitation. Rattan were also historically known as Malacca cane or Manila cane, based on their trade origins, as well as numerous other trade names for individual species.
Calamoideae also includes tree palms such as Raphia (Raffia) and Metroxylon (Sago palm) and shrub palms such as Salacca (Salak) (Uhl & Dransfield 1987 Genera Palmarum). The climbing habit in palms is not restricted to Calamoideae, but has also evolved in three other evolutionary lines—tribes Cocoseae (Desmoncus with c. 7–10 species in the New World tropics) and Areceae (Dypsis scandens in Madagascar) in subfamily Arecoideae, and tribe Hyophorbeae (climbing species of the large genus Chamaedorea in Central America) in subfamily Ceroxyloideae. They do not have spinose stems and climb by means of their reflexed terminal leaflets. Of these only Desmoncus spp. furnish stems of sufficiently good quality to be used as rattan cane substitutes.
There are 13 different genera of rattans that include around 600 species. Some of the species in these "rattan genera" have a different habit and do not climb, they are shrubby palms of the forest undergrowth; nevertheless they are close relatives to species that are climbers and they are hence included in the same genera. The largest rattan genus is Calamus, distributed in Asia except for one species represented in Africa. From the remaining rattan genera, Ceratolobus, Korthalsia, Plectocomia, Plectocomiopsis, Myrialepis, Calospatha, Pogonotium and Retispatha, are centered in Southeast Asia with outliers eastwards and northwards; and three are endemic to Africa: Laccosperma (syn. Ancistrophyllum), Eremospatha and Oncocalamus.
|Genus||Number of species||Distribution|
|Calamus L.||c. 480||Tropical Africa, India and Sri Lanka, China, south and east to Fiji, Vanuatu and eastern Australia (synonym Daemonorops)|
|Calospatha Becc.||1||Endemic to Peninsular Malaysia|
|Ceratolobus Bl.||6||Malay Peninsula, Sumatra, Borneo, Java|
|Eremospatha (Mann & Wendl.) Wendl.||10||Humid tropical Africa|
|Korthalsia Bl.||c. 26||Indo-China and Burma to New Guinea|
|Laccosperma (Mann & Wendl.) Drude||5||Humid tropical Africa|
|Myrialepis Becc.||1||Indo-China, Thailand, Burma, Peninsular Malaysia and Sumatra|
|Oncocalamus (Wendl.) Wendl.||4||Humid tropical Africa|
|Plectocomia Mart.||c. 16||Himalayas and south China to western Malaysia|
|Plectocomiopsis Becc.||c. 5||Laos, Thailand, Peninsular Malaysia, Borneo, Sumatra|
|Pogonotium J. Dransf.||3||Two species endemic to Borneo, one species in both Peninsular Malaysia and Borneo|
|Retispatha J. Dransf.||1||Endemic to Borneo|
Available rattan floras and monographs by region (2002):
|Peninsular Malaysia||Dransfield, 1979|
|Sri Lanka||de Zoysa & Vivekanandan, 1994|
|India (general)||Basu, 1992|
|India (Western Ghats)||Renuka, 1992|
|India (south)||Lakshmana, 1993|
|Andaman and Nicobar Islands||Renuka, 1995|
|Papua New Guinea||Johns & Taurereko, 1989a, 1989b (preliminary notes only)|
|Irian Jaya||Currently (2002) under study at Kew (Baker & Dransfield)|
|Indonesia||Dransfield and Mogea [to 2002 in prep.]; more field work needed|
|Laos||Currently (2002) in prep. (Evans)|
|Africa||Currently (2002) in prep. (Sunderland)|
Uses by taxon.
|Calamus caesius Bl.||Peninsular Malaysia, Sumatra, Borneo, Philippines and Thailand. Also introduced to China and south Pacific for planting||Unknown|
|Calamus egregius Burr.||Endemic to Hainan island, China, but introduced to southern China for cultivation||Unknown|
|Calamus exilis Griffith||Peninsular Malaysia and Sumatra||Not threatened|
|Calamus javensis Bl.||Widespread in Southeast Asia||Not threatened|
|Calamus manan Miq.||Peninsular Malaysia and Sumatra||Threatened|
|Calamus merrillii Becc.||Philippines||Threatened|
|Calamus mindorensis Becc.||Philippines||Unknown|
|Calamus optimus Becc.||Borneo and Sumatra. Cultivated in Kalimantan||Unknown|
|Calamus ornatus Bl.||Thailand, Sumatra, Java, Borneo, Sulawesi, to the Philippines||Unknown|
|Calamus ovoideus Thwaites ex Trimen||Western Sri Lanka||Threatened|
|Calamus palustris Griffith||Burma, southern China, to Malaysia and the Andaman Islands||Unknown|
|Calamus pogonacanthus Becc. ex Winkler||Borneo||Unknown|
|Calamus scipionum Loureiro||Burma, Thailand, Peninsular Malaysia, Sumatra, Borneo to Palawan||Unknown|
|Calamus simplicifolius Wei||Endemic to Hainan island, China, but introduced to southern China for cultivation||Unknown|
|Calamus subinermis (eddl. ex Becc.||Sabah, Sarawak, East Kalimantan and Palawan||Unknown|
|Calamus tetradactylus Hance||Southern China. Introduced to Malaysia||Unknown|
|Calamus trachycoleus Becc.||South and Central Kalimantan. Introduced into Malaysia for cultivation||Not threatened|
|Calamus tumidus Furtado||Peninsular Malaysia and Sumatra||Unknown|
|Calamus wailong Pei & Chen||Southern China||Unknown|
|Calamus zollingeri Becc.||Sulawesi and the Moluccas||Unknown|
|Calamus jenkinsianus Griff.||Southern China||Unknown|
|Calamus validus W.J.Baker||Indonesia, Sulawesi and the Moluccas||Unknown|
|Calamus crinitus (Blume) Miq.||Peninsula Malaysia and Borneo||Unknown|
|Eremospatha macrocarpa (Mann & Wendl.) Mann & Wendl.||Tropical Africa from Sierra Leone to Angola||Not threatened|
|Eremospatha haullevilleana de Wild.||Congo Basin to East Africa||-|
|Laccosperma robustum (Burr.) J. Dransf.||Cameroon to Congo Basin||-|
|Laccosperma secundiflorum (P. Beauv.) Mann & Wendl.||Tropical Africa from Sierra Leone to Angola||Not threatened|
Utilized Calamus species canes:
|Species of Calamus||Notes of utilization|
|Calamus acanthospathus Griff.||Canes for bridge cables, basketry|
|Calamus andamanicus Kurz||Excellent large-diameter canes harvested for furniture industry; leaves for thatching|
|Calamus aruensis Becc.||Excellent quality medium- to large-diameter canes for furniture|
|Calamus arugda Becc.||Entire canes for handicrafts, furniture, basketry, etc., local and export markets|
|Calamus axillaris Becc.||Small-diameter canes for basketry, fish traps and tying|
|Calamus bacularis Becc.||Canes for walking-sticks|
|Calamus bicolor Becc.||Ornamental use of young plants|
|Calamus blumei Becc.||Canes of good quality but quantities insufficient for commercial use; canes for baskets and mats|
|Calamus boniensis Becc. ex Heyne||Probably sold together with other small-diameter canes|
|Calamus burckianus Becc.||Canes for broom handles|
|Calamus caesius Bl.||Canes for commercial and traditional uses|
|Calamus castaneus Becc.||Leaves for thatch; immature fruits in traditional medicine|
|Calamus ciliaris Bl.||Slender canes for weaving and binding; seedlings used as ornamentals|
|Calamus conirostris Becc.||Canes of poor quality, rarely used; fruit eaten|
|Calamus convallium J. Dransf.||Canes|
|Calamus cumingianus Becc.||Entire canes made into handicrafts, furniture and baskets|
|Calamus deërratus G. Mann & H. Wendl.||Canes for construction and weaving|
|Calamus densiflorus Becc.||Canes for making furniture and baskets|
|Calamus didymocarpus Warb. ex Becc.||Canes inferior but used for local furniture-making|
|Calamus diepenhorstii Miq.||Canes for tying, cordage, basketry, fish traps and noose traps|
|Calamus dimorphacanthus Becc. var. dimorphacanthus||Canes used for baskets, bags, tying, etc. for home industries|
|Calamus discolor Becc.||Young plants as ornamentals; canes for binding or tying|
|Calamus egregius Burr.||Excellent small- to medium-diameter canes for binding and weaving in furniture; new shoots edible|
|Calamus elmerianus Becc.||Canes for furniture, handicrafts and home industries|
|Calamus erioacanthus Becc.||Canes of good quality|
|Calamus exilis Griff.||Canes for binding, weaving, basketry, handicrafts|
|Calamus flabellatus Becc.||Canes for tying, binding and weaving|
|Calamus gamblei Becc.||Canes for furniture|
|Calamus gibbsianus Becc.||Canes for tying and weaving|
|Calamus gonospermus Becc.||Edible fruit|
|Calamus gracilis Roxb.||Canes for handicrafts|
|Calamus grandifolius Becc.||Canes for furniture|
|Calamus guruba (Buch-Ham) ex Mart.||Canes for basketry, chair seats|
|Calamus halconensis (Becc.) Baja-Lapis var. dimorphacanthus Becc.||Canes for chair frames, cables for ferry boats, hauling logs and as rigging on small sailboats; split canes for mats, basketry, fish traps, chair seats|
|Calamus heteroideus Bl.||Canes for cordage|
|Calamus hispidulus Becc.||Canes for weaving|
|Calamus hookerianus Becc.||Canes for furniture, basketry|
|Calamus huegelianus Mart.||Canes for basketry, chair frames, etc.|
|Calamus inermis T. Anders.||Canes for police sticks, chair frames|
|Calamus inops Becc. ex Heyne||Actual use of small- to medium-diameter canes not known|
|Calamus insignis Becc.||Split canes for basketry, cordage; spiny leaf-sheaths as food graters|
|Calamus javensis Bl.||Canes for cordage, basketry, noose traps, musical instruments; edible raw cabbage as medicine; spiny leaf-sheaths formerly used to make food graters|
|Calamus koordersianus Becc.||Canes locally for basket frames|
|Calamus laevigatus Mart.||Extensively collected as small-diameter cane, end-uses not documented|
|Calamus latifolius Roxb.||Canes for basketry, walking-sticks, furniture frames; split canes for chair seats|
|Calamus leiocaulis Becc. ex Heyne||Small-diameter canes extensively used to make furniture for local and export markets|
|Calamus leptospadix Griff.||Canes for basketry and chair seats|
|Calamus leptostachys Becc. ex Heyne||Excellent small-diameter canes for furniture and handicrafts for local and export markets|
|Calamus longisetus Griff.||Coarse cane for furniture; leaves for thatch; edible fruit|
|Calamus longispathus Ridl.||Young leaves occasionally as cigarette paper; fruits as medicine|
|Calamus luridus Becc.||Canes split for tying and binding|
|Calamus manan Miq.||Most desirable large-diameter canes for furniture|
|Calamus manillensis (Mart.) H. Wendl.||Edible fruit; canes of inferior quality for tying|
|Calamus marginatus (Bl.) Mart.||Poor quality but durable canes for basket frames and walking-sticks|
|Calamus mattanensis Becc.||Canes occasionally used to make coarse baskets|
|Calamus megaphyllus Becc.||Canes for basketry and tying|
|Calamus melanorhynchus Becc.||Canes for basketry and handicrafts|
|Calamus merrillii Becc.||Entire canes for chair frames, ferry boat cables, hauling logs, sailboat rigging; split canes for basketry, chairs, fish traps, etc.|
|Calamus microcarpus Becc.||Canes for basketry|
|Calamus microsphaerion Becc.||Entire canes for basketry|
|Calamus minahassae Becc.||Canes as cordage|
|Calamus mindorensis Becc.||Popular large-diameter canes for furniture; split canes for basketry, cordage|
|Calamus mitis Becc.||Canes for basketry and tying|
|Calamus moseleyanus Becc.||Canes for furniture|
|Calamus multinervis Becc.||Canes for furniture|
|Calamus muricatus Becc.||Cabbage eaten|
|Calamus myriacanthus Becc.||Canes for walking-sticks, cages, basket frames|
|Calamus nagbettai Fernandez & Dey||Canes for basketry|
|Calamus nambariensis Becc.||Canes for handicrafts|
|Calamus optimus Becc.||Canes used to make mats, for weaving, to bind furniture and cordage|
|Calamus ornatus Bl.||Major use of canes for furniture; also for walking-sticks, handles for implements and flooring; leaves, cabbage and roots as medicine; fruits occasionally eaten|
|Calamus ovoideus Thwaites ex Trimen||Split canes for basketry; entire canes for furniture frames; split cane cores for crude woven products|
|Calamus oxleyanus Teysm. & Binnend. ex Miq.||Canes for walking-sticks|
|Calamus palustris Griff.||Canes excellent for furniture frames|
|Calamus pandanosmus Furt.||Canes|
|Calamus paspalanthus Becc.||Seedlings as potential ornamental; ripe fruit pickled and young shoot eaten|
|Calamus pedicellatus Becc. ex Heyne||Canes apparently of good quality for furniture|
|Calamus perakensis Becc.||Canes occasionally used for walking-sticks|
|Calamus peregrinus Furt.||Robust canes of good quality for furniture|
|Calamus pilosellus Becc.||Canes of good appearance but probably only for local use|
|Calamus pogonacanthus Becc. ex H. Winkler||Canes of good quality for tying, binding and making coarse mats|
|Calamus poilanei Conrad||Canes for handicrafts|
|Calamus polystachys Becc.||Coarse canes used for broom handles|
|Calamus pseudorivalis Becc.||Canes for furniture|
|Calamus pseudotenuis Becc.||Canes for basketry|
|Calamus pseudoulur Becc.||Canes for basketry, etc.|
|Calamus ramulosus Becc.||Canes for furniture|
|Calamus reyesianus Becc.||Canes of small diameter use for furniture and basketry, local and international|
|Calamus rhomboideus Bl.||Canes possibly used to make baskets and mats|
|Calamus rhytidomus Becc.||Canes used locally for binding|
|Calamus rotang Linn.||Canes for basketry, chair seats|
|Calamus rudentum Lour.||Canes for handicrafts; edible fruit|
|Calamus ruvidus Becc.||Canes used for basketry and tying|
|Calamus scabridulus Becc.||Canes split for tying, thatching and cordage|
|Calamus scipionum Lour.||Canes for making moderate-quality furniture; walking-sticks, umbrella handles, etc.|
|Calamus sedens J. Dransf.||Canes sometimes used to make walking-sticks|
|Calamus semoi Becc.||Excellent quality cane; under cultivation in gardens|
|Calamus simplex Becc.||Canes for basketry|
|Calamus simplicifolius Wei||Good medium-diameter cane for furniture, binding, weaving, basketry, etc.; new shoots edible|
|Calamus siphonospathus Mart.||Canes for basketry and tying|
|Calamus solitarius T. Evans et al.||Canes for handicrafts|
|Calamus spinifolius Becc.||Canes for basketry and tying|
|Calamus subinermis H. Wendl. ex Becc.||Canes for furniture frames; cabbage cooked as a vegetable; fruit sometimes eaten|
|Calamus symphysipus Becc.||Canes for furniture|
|Calamus tenuis Roxb.||Canes for basketry; fruits and young shoots eaten|
|Calamus tetradactylus Hance||Small-diameter canes for handicrafts, basketry and furniture|
|Calamus thwaitesii Becc.||Canes for furniture|
|Calamus tomentosus Becc.||Canes for tying and binding|
|Calamus trachycoleus Becc.||Canes used as skin peels for weaving chair seats and back; unsplit for furniture; basketry, mats, fish traps, cordage|
|Calamus travancoricus Bedd. ex Becc. & Hook||Canes for handicrafts and furniture|
|Calamus trispermus Becc.||Canes for furniture|
|Calamus tumidus Furt.||Canes for furniture|
|Calamus ulur Becc.||Split canes for cordage|
|Calamus unifarius H. Wendl.||Canes locally for furniture|
|Calamus usitatus Becc.||Canes for basketry, furniture and handicrafts|
|Calamus vidalianus Becc.||Canes for furniture|
|Calamus viminalis Willd.||Canes locally for basketry and matting|
|Calamus wailong S.J. Pei & S.Y. Chen||Canes for weaving and furniture|
|Calamus warburgii K. Schum.||Canes locally for basket frames|
|Calamus ollingeri Becc.||Canes for furniture frames|
Other traditional uses of rattans by species:
|Product / Use||Species|
|Fruit eaten||Calamus conirostris; Calamus longisetus; Calamus manillensis; Calamus merrillii; Calamus ornatus; Calamus paspalanthus; Calamus subinermis; Calamus viminalis; Calospatha scortechinii; Calamus ingens|
|Palm heart eaten||Calamus deerratus; Calamus egregius; Calamus javensis; Calamus muricatus; Calamus paspalanthus; Calamus siamensis; Calamus simplicifolius; Calamus subinermis; Calamus tenuis; Calamus viminalis; Daemonorops fissa; Daemonorops longispatha; Daemonorops margaritae; Daemonorops melanochaetes; Daemonorops periacantha; Daemonorops scapigera; Daemonorops schmidtiana; Daemonorops sparsiflora; Laccosperma secundiflorum; Plectocompiopsis geminiflora (and Calamus jenkinsianus.)|
|Fruit used in traditional medicine||Calamus castaneus; Calamus longispathus; Daemonorops didymophylla|
|Palm heart in traditional medicine||Calamus exilis; Calamus javensis; Calamus ornatus; Daemonorops grandis; Korthalsia rigida|
|Fruit as source of red resin exuded between scales, used medicinally and as a dye (one source of "dragon's blood")||Daemonorops didymophylla; Daemonorops draco; Daemonorops maculata; Daemonorops micrantha; Daemonorops propinqua; Daemonorops rubra|
|Leaves for thatching||Calamus andamanicus; Calamus castaneus; Calamus longisetus; Daemonorops calicarpa; Daemonorops elongata; Daemonorops grandis; Calamus ingens; Daemonorops manii|
|Leaflet as cigarette paper||Calamus longispathus; Daemonorops leptopus|
|Leaves chewed as vermifuge||Laccosperma secundiflorum|
|Roots used as treatment for syphilis||Eremospatha macrocarpa|
|Leaf sheath used as toothbrush||Eremospatha wendlandiana; Oncocalamus sp.|
|Leaf sheath/petiole as grater||Calamus sp. (undescribed sp. from Bali);|
|Rachis for fishing pole||Daemonorops grandis; Laccosperma secundiflorum|
Most rattan palms are classified ecologically as lianas, because most mature rattan palms have a vine-like habit, scrambling through and over other vegetation. But they differ from true woody lianas in several ways. Because rattans are palms, they do not branch and they rarely develop new root structures upon contact of the stem with soil. They are also monocots and thus do not exhibit secondary growth. This means, the diameter of the rattan stem is always constant. The width of juvenile rattan palms is the same as adult palms, usually around2–5 cm (3⁄4–2 inches) in diameter, with long internodes between the leaves. This also means juvenile rattan palms are rigid enough to remain free-standing, unlike true lianas which always need structural support, even when young. Many rattans also have spines which act as hooks to aid climbing over other plants, and to deter herbivores. The spines also give rattans the ability to climb wide-diamater trees, unlike other vines which use tendrils or twining which can only climb narrower supports. Rattans have been known to grow up to hundreds of metres long.
A few species of rattans are non-climbing. These range from free-standing tree-like species (like Retispatha dumetosa) to acaulescent shrub-like species with short subterranean stems (like Calamus pygmaeus).
Rattans can also be solitary (single-stemmed), clustering (clump-forming), or both. Solitary rattan species grow into a single stem. Clustering rattan, on the other hand, develop clumps of up to fifty stems via suckers, similar to bamboo and bananas. These clusters can produce new stems continually as individual stems die. The impact of harvesting is much greater in solitary species, since the whole plant dies when harvested. An example of a commercially important single-stemmed species is Calamus manan. Clustering species, on the other hand, have more potential to become sustainable if the rate of harvesting does not exceed the rate of stem replacement via vegetative reproduction.
Rattans also display two types of flowering: hapaxanthy and pleonanthy. All the species of the genera Korthalsia, Laccosperma, Plectocomia, Plectocomiopsis, and Myrialepis are hapaxanthic; as well as a few species of Daemonorops. This means they only flower and fruit once then die. All other rattan species are pleonanthic, being able to flower and fruit continually. Most commercially harvested species are pleonanthic, because hapaxanthic rattans tend to have soft piths making them unsuitable for bending.
Many rattan species also form mutualistic relationships with ant species. They provide ant shelters (myrmecodomatia) like hollow spines, funnel-shaped leaves, or leaf sheath extensions (ochreae). The rattans in turn, gain protection from herbivores.
Economic and environmental issues
In forests where rattan grows, its economic value can help protect forest land, by providing an alternative to loggers who forgo timber logging and harvest rattan canes instead. Rattan is much easier to harvest, requires simpler tools and is much easier to transport. It also grows much faster than most tropical wood. This makes it a potential tool in forest maintenance, since it provides a profitable crop that depends on rather than replaces trees. It remains to be seen whether rattan can be as profitable or useful as the alternatives.
Rattans are threatened with overexploitation, as harvesters are cutting stems too young and reducing their ability to resprout. Unsustainable harvesting of rattan can lead to forest degradation, affecting overall forest ecosystem services. Processing can also be polluting. The use of toxic chemicals and petrol in the processing of rattan affects soil, air and water resources, and also ultimately people's health. Meanwhile, the conventional method of rattan production is threatening the plant's long-term supply, and the income of workers.
Rattans also exhibit rapid population growths in disturbed forest edges due to higher light availability than in the closed-canopy old-growth tropical forests. Although this can mean increased rattan abundance for economic exploitation, it can also be problematic in long-term conservation efforts.
Rattan harvesting from the wild in most rattan-producing countries requires permits. These include the Philippines, Sri Lanka, India, Malaysia, Laos, Ghana, and Cameroon. In addition, the Philippines also imposes an annual allowable cut (AAC) in an effort to conserve rattan resources. Rattan cultivation (both monoculture and intercropping) is also being researched and pioneered in some countries, though it is still a young industry and only constitutes a minority of the rattan resources harvested annually.
Cleaned rattan stems with the leaf sheaths removed are superficially similar to bamboo. Unlike bamboo, rattan stems are not hollow. Most (70%) of the world's rattan population exist in Indonesia, distributed among the islands Borneo, Sulawesi, and Sumbawa. The rest of the world's supply comes from the Philippines, Sri Lanka, Malaysia, Bangladesh and Assam, India.
Rattans are extensively used for making baskets and furniture. When cut into sections, rattan can be used as wood to make furniture. Rattan accepts paints and stains like many other kinds of wood, so it is available in many colours, and it can be worked into many styles. Moreover, the inner core can be separated and worked into wicker. A typical braiding pattern is called Wiener Geflecht, Viennese Braiding, as it was invented in 18th century Vienna and later most prominently used with the Thonet coffeehouse chair.
Generally, raw rattan is processed into several products to be used as materials in furniture making. From a strand of rattan, the skin is usually peeled off, to be used as rattan weaving material. The remaining "core" of the rattan can be used for various purposes in furniture making. Rattan is a very good material, mainly because it is lightweight, durable, and, to a certain extent, flexible and suitable for outdoor use.
Thin rattan canes were the standard implement for school corporal punishment in England and Wales, and are still used for this purpose in schools in Malaysia, Singapore, and several African countries. The usual maximum number of strokes was six, traditionally referred to as getting "Six of the best". Similar canes are used for military punishments in the Singapore Armed Forces. Heavier canes, also of rattan, are used for judicial corporal punishments in Aceh, Brunei, Malaysia, and Singapore.
Some rattan fruits are edible, with a sour taste akin to citrus. The fruit of some rattans exudes a red resin called dragon's blood; this resin was thought to have medicinal properties in antiquity and was used as a dye for violins, among other things. The resin normally results in a wood with a light peach hue. In the Indian state of Assam, the shoot is also used as vegetable.
In early 2010, scientists in Italy announced that rattan wood would be used in a new "wood to bone" process for the production of artificial bone. The process takes small pieces of rattan and places it in a furnace. Calcium and carbon are added. The wood is then further heated under intense pressure in another oven-like machine, and a phosphate solution is introduced. This process produces almost an exact replica of bone material. The process takes about 10 days. At the time of the announcement the bone was being tested in sheep, and there had been no signs of rejection. Particles from the sheep's bodies have migrated to the "wood bone" and formed long, continuous bones. The new bone-from-wood programme is being funded by the European Union. Implants into humans were anticipated to start in 2015.
Rattan is the preferred natural material used to wick essential oils in aroma reed diffusers (commonly used in aromatherapy, or merely to scent closets, passageways, and rooms), because each rattan reed contains 20 or more permeable channels that wick the oil from the container up the stem and release fragrance into the air, through an evaporation diffusion process. In contrast, reeds made from bamboo contain nodes that inhibit the passage of essential oils.
Handicraft and arts
Many of the properties of rattan that make it suitable for furniture also make it a popular choice for handicraft and art pieces. Uses include rattan baskets, plant containers, and other decorative works.
Due to its durability and resistance to splintering, sections of rattan can be used as canes, crooks for high-end umbrellas, or staves for martial arts. Rattan sticks 70 cm (28 inches) long, called baston, are used in Filipino martial arts, especially Arnis/Eskrima/Kali and for the striking weapons in the Society for Creative Anachronism's full-contact "armoured combat".
Indonesians making rattan furniture, circa 1948
A rattan ball of Sepak takraw
Craftsman in the Philippines heat bending rattan for furniture-making
Craftsman weaving a basket made from split rattan in Nigeria
Most natives or locals from the rattan rich countries employ the aid of this sturdy plant in their home building projects. It is heavily used as a housing material in rural areas. The skin of the plant or wood is primarily used for weaving.
Rattan cane is also used traditionally to make polo mallets, though only a small portion of cane harvested (roughly 3%) is strong, flexible, and durable enough to be made into sticks for polo mallets, and popularity of rattan mallets is waning next the more modern variant, fibrecanes.
Fire-hardened rattan were commonly used as the shafts of Philippine spears collectively known as sibat. They were fitted with a variety of iron spearheads and ranged from short throwing versions to heavy thrusting weapons. They were used for hunting, fishing, or warfare (both land and naval warfare). The rattan shafts of war spears are usually elaborately ornamented with carvings and metal inlays. Arnis also makes prominent use of rattan as "arnis sticks", commonly called yantok or baston. Their durability and weight makes it ideal for training with complex execution of techniques as well as being a choice of weapon, even against bladed objects.
It sees also prominent use in battle re-enactments as stand-ins to potentially lethal weapons.
Rattan can also be used to build a functional sword that delivers a non-lethal but similar impact compared to steel counterparts.
- Dransfield, John (2002). "General introduction to rattan - the biological background to exploitation and the history of rattan research". In Dransfield, John; Tesoro, Florentino O.; Manokaran, N. (eds.). Rattan: current research issues and prospects for conservation and sustainable development (PDF). Non-Wood Forest Products 14. Food and Agriculture Organization of the United Nations (FAO). pp. 23–34. ISBN 9251046913.
- Campbell, Mason J.; Edwards, Will; Magrach, Ainhoa; Laurance, Susan G.; Alamgir, Mohammed; Porolak, Gabriel; Laurance, William F. (December 2017). "Forest edge disturbance increases rattan abundance in tropical rain forest fragments". Scientific Reports. 7 (1): 6071. Bibcode:2017NatSR...7.6071C. doi:10.1038/s41598-017-06590-5. PMC 5519600. PMID 28729670.
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Since we prefer that no one gets hurt, SCA combatants wear real armor and use rattan swords.
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|Look up rattan in Wiktionary, the free dictionary.|
- Encyclopedia Americana. 1920. .
- New International Encyclopedia. 1905. .
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Khao Yai NP, THAILAND
July 2017. Rudy Musni making rattan furniture at Dagot Rattan Crafts and Furniture. Puerto Princesa, Palawan, Philippines. Photograph by Jason Houston for USAID
Stuhl, Übergang von Rokokoformen zu klassizistischen. Die geschwungenen Linien der Rückenlehnen und Sitzrahmen stehen im Gegensatz zu den geraden kantigen Beinen und den bereits antikisierenden Motiven des Zierates. Rotbuchenholz, weiß gestrichen, grün verziert.Strohgeflecht gelb, mit grünen Fäden durchkreuzt.
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Repronegatief. Indonesiërs maken meubelstukken van rotan, Zuid-Celebes
Plate 6 -- Spears used ceremonially and in war; shafts ornamented and figured with brass and silver overlay. No. 1. Cane shaft, rough-surfaced iron blade of good form. Moro. 2. Elliptic spearhead of iron with socket. Igorot, Luzon. 3. Bilaterally barbed iron spearhead with socket. Luzon. 4. Brass pike head: Two mythical bird figures supporting blade. Blade and socket engraved with geometric figures. Moro. 5. Fine workmanship in iron shown in deeply grooved and socketed spearhead; shaft ferruled with figured silver. Shaft is tasseled and capped with a spud of carabao horn at base. Moro, Mindanao. 6. Head of fine ironwork, deeply grooved and provided with median ridge. Ferrule of brass, collar cord and tassel, rattan shaft capped with spike at basal end, Moro. 7-8. Steel blades, shafts of palmwood wrapped with brass wire: Figured brass ferrule, Bagobo, southeastern Mindanao. 9. Long Iron blade, iron ferrule at neck; handed rings of rattan on shaft, tassel cord. Moro, Mindanao. 10. Blade of iron, thickened at distal end and tapering toward shaft, hardwood shaft ferruled with rattan and punched with brass rivets. Northern Luzon. 11. Short and broad iron spearhead fastened to rattan shaft by iron tang. Looped cord attached to neck of blade and to foreshaft of hardwood. Moro, Mindanao. 12. Finely wrought-iron spearhead; brass ferrule and iron shaft socket; hardwood shaft wound with spirals of figured brass and sheathed with alternating brass and silver hands. Bagobo, Mindanao.
Other images on Filipino weapons by the same uploader are here:(a) Luzon weapons; (b) Visayan weapons; (c) Moro weapons; and (d) Lumad (non-Moro Mindanao) weapons
Author/Creator: Obsidian Soul, Licence: CC BY-SA 4.0
Daemonorops mollis (rattan palm) from Bukidnon Philippines
Author/Creator: Dinesh Valke from Thane, India, Licence: CC BY-SA 2.0
KAL-uh-mus -- from the Greek kalamos, meaning reed thwaitesii -- named for Dr G. H. K. Thwaites, British botanist
commonly known as: rattan cane • Kannada: ಹಂಡಿಬೆತ್ತ handibetta • Konkani: वेत veta • Malayalam: ആനച്ചൂരല് aanaccuural, തടിയന് ചൂരല് thatiyan cuural, വലിയ ചൂരല് valiya cuural • Marathi: वेत veta
Endemic to: s Western Ghats (of India), Sri LankaReferences: PalmWeb • Dandeli Wildlife
July 2017. Rattan is received at LGCT's (a trader) site, treated with hot diesel oil (for preservation), dried on racks outside, and then straightened by hand before being bundeled and stacked for shipment to China. Rattan is an important non-timber forest product (NTFPs) and represents the difficulties and uncertainties inherent in ascertaining sustainable extraction levels and impacts associated with wild harvesting. In general there has been little or no monitoring or management of wild rattan harvesting and little is known about ecological effects associated with extraction. Quezon, Palawan, Philippines. Photograph by Jason Houston for USAID
July 2017. Tilso Botig collecting and splitting ratan. Aborlan, Barangay Sagpangan, Palawan, Philippines. Photograph by Jason Houston for USAID