Eusideroxylon zwageri Teijsm. & Binn., Natuurk. Tijdschr. Ned. Ind. 25 () Eusideroxylon borneense Fern.-Vill. Salgada lauriflora Blanco. Diagnostics. Family Name: Lauraceae. Common Names: Borneo Ironwood, Billian, Ironwood , Ulin, Belian. Borneo Ironwood,Billian,Ironwood,Ulin,Belian. Record Info. Typical habitat, Habitat of E. zwageri: E. zwageri is able to grow under soil which seasonally waterlogged. Senami forest, Jambi Indonesia.
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Research support to community forestry projects on forest land in Java, Indonesia in M. Exterior General 1 – Tabela de resultados de ensaios fisicos e mecanicos. The wood texture is fine and even, with a straight grain or only slightly interlocked.
Natural Distribution It can be found throughout eusideroxyloj lowlands of Sabah extending into the remainder of Borneo, other Indonesian islands, and the Philippines; occasionally abundant. The wood is famed for its easy working characteristics, despite high density.
Due to the excellent resistance to bacterialfungalinsect and marine borer attack the wood is highly prized for many outdoor uses. Flooring 14 – Handbook of Hardwoods. The swageri width was 2 m, the distance between lines was 5 m and distance between seedlings was 2 m.
Ejsideroxylon Inflorescence Caption Inflorescence of E. Indonesia has banned the export of belian and Sarawak has placed restrictions on export; Sabah and Kalimantan continue to export it.
Pokok ini dikenali sebagai belian Sabah dan Sarawak ; Borneo ironwood European Union ; belian, onglen, tebelian, tulian, dan ulin Indonesia serta biliran, sakian dan tambulian Filipina. Tunggul kayunya akan kekal di tanah sehingga berpuluh-puluh tahun lamanya. Title Stem Caption Close up of bole.
Prismatic crystals in radial alignment in procumbent ray cells chambered cells. Bilian, bois de fer. The timber dries slowly, and care is needed to avoid checks and splits. This tree can grow up to 30 m height with trunk diameter reaching 1 m.
It blunts saw-teeth fairly rapidly, owing to its hardness. Little warping and checking are reported. The heartwood when cut is coloured light brown to almost bright yellow. It is also frequently found in dry docks as a timber to separate the hull of ships from the steel supporting stands.
ULIN (Eusideroxylon zwageri)
Uses Ulin is one of the heaviest and most durable timbers of South-East Asia. Views Read Edit View history. There is one pistil and one carpel. Growth rings boundaries are indistinct or absent.
Eusideroxylon zwageri (billian)
Salgada lauriflora Blanco Diagnostics Mid-canopy tree up to 40 m tall and cm dbh. Archived copy as title Articles with ‘species’ zwagei All articles with unsourced statements Articles with unsourced statements from March Commons category link from Wikidata Taxonomy articles created by Polbot. Walau bagaimanapun, anak benihnya mudah bercambah di persekitaran yang sesuai. Drying Defects Ease of Drying: Mortising It is easy to mortise.
Belian trees are usually found along riverbanks. Title Line artwork Caption Representation of tree habit, leaves, inflorescence, flower, fruit, seed. Taxonomic Tree Top of page Domain: Ulin occurs also in mixed dipterocarp forest and has been found associated with Koompassia, Shorea, and Intsia species.
Air seasoning is reported to be easy. Generate a print friendly version containing only the sections you need. The inflorescences which are in the axils of leaves or deciduous bractsinclude panicles rarely headsracemescompound cymesor pseudoumbels spikes in Cassythaand are sometimes enclosed by decussate bracts.
Title Stem form Caption Stem form of E. Conservation of vanishing timber species in the Philippines In: This very important tree is one of the most durable and heaviest timbers in the world. This is occasionally absent in Litsea.
The sapwood is bright yellow when cut, and darkens slightly. It is found from sea-level up to m altitude. The world-famous Eusideroxylno Bogor Agricultural Institute Institut Pertanian Bogor is currently breeding a generation of plants more hardy than the wild harvested seeds  .
Silvicultural management of the logged natural dipterocarp forest in South-east Eusideroxyllnin J. Wikimedia Commons has media related to Eusideroxylon zwageri. Title Seedlings Caption One year old E. It is an evergreen tree of up to 40 m tall. Moderate abundancy of aliform paratracheal parenchyma. It is a canopy species in primary forests. Some expert cabinet-makers treasure an ulin -headed carpenter’s mallet as an excellent intermediate density hammer face between the usual wood and a metal one and is able to quite easily tap or “whack” stubborn highly polished metal fixtures without damage to the face or the fixture.
Another major use of ulin is for roof shingles ‘sirap’ which are reported awageri last 50 years to more than a century.