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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Conservation of vanishing timber species in the Philippines In: Botanical Description It is an evergreen tree of up to 40 m tall. It prefers well-drained soils in valleys or on hillsides or even low ridges when soil moisture is sufficient. Flooring 14 – Handbook of Hardwoods. It is commonly found along rivers and adjacent hills.

Retrieved from ” https: Don’t need the entire report? The wood planesbores and turns cleanly, producing smooth and often lustrous surfaces.

Eusideroxylon zwageri: The official tree of Sarawak

Eusideroxylon zwageri is a slow growing 0. Title Flower Caption Close-up of flower under microscope x The ulin wood which is threatened to extinctionDuta Rimba: The large fruits are poisonous and pulverized fruits have been used medicinally against swellings.

Title Stem form Caption Stem form zwageei E.

Research support to community forestry projects on forest land in Java, Indonesia in M. The wood is not suitable for plywood or particle board production. Wood Macro Photo Tangential Plane. Seed very large, seed-coat very hard, furrowed, brittle, pale bony; embryo very small. Actual Dry Kiln Program http: The sapwood is pale yellowish.

Eusideroxylon zwageri: The official tree of Sarawak – Forest Research Institute Malaysia (FRIM)

Pokok belian tumbuh dengan perlahan dan mengambil masa sehingga tahun untuk mencapai garis pusat 30 cm. Archived copy as title Articles with ‘species’ microformats All articles with unsourced statements Articles with unsourced statements from March Commons category link from Wikidata Taxonomy articles created by Polbot. This odour, along with the woods’ natural high lustre, make it prized by cabinet-makers and fine furniture craftsmen.


Resistance To Impregnation The heartwood is extremely resistant to preservative treatment.

Kaum awageri juga amat menghargai keranda yang diperbuat daripada belian. The tepals are in groups of 6 to 9, in 2 or 3 whorls of 3 and sepaloid. Prismatic crystals in radial alignment in procumbent ray cells chambered cells.

Senami Forest, Jambi, Indonesia. Texture The texture is from fine to medium. Procupines may also eysideroxylon the seeds. By using this site, you agree to the Terms of Use and Privacy Policy. Luster The heartwood is somewhat lustrous. 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. Eusideroxylon zwageri is a rare timber tree native to the BruneiIndonesiaMalaysia and Philippines region.

However, the seed germinates easily if given a suitable environment. The wood texture is fine and even, with a straight grain or eusideroxy,on slightly interlocked. Current demand for the timber is fueled for its esteem among Chinese as a coffin wood as it is resistant to insect and rot. Internationally, it is renowned for heavy construction such as a buffer between transportation trailers and heavy steel fabrications such as boilerspressure vesselsreactors and many others.

The line width was 2 m, the distance between lines was 5 m and distance between seedlings was 2 m. Planing Planing of this species is reported to it gives good results despite its hardness. Grain It is straight, only occasionally interlocked. The decline of this species which was first noted in This page was last edited on 29 Octoberat Odor Its odor resembles lemons.


Struktur rumah panjang kaum Dayak juga dibina menggunakan kayu belian. The seeds are without testa note pen for scale. The government of Indonesia and the state government of Sarawak have formally banned the export of this species. Belian wood is also made into shingles for roofing.

Machining Special cutters are required. Uses Ulin is one of the heaviest and most durable timbers of South-East Asia. Individual trees may reach an age of 1, years or more. Growth rings boundaries are indistinct or absent.

ULIN (Eusideroxylon zwageri)

Kalimantan, Sumatra, Sabah, Sarawak, and the Philippines. Little warping and checking are reported. Leaves arranged spirally, simple, entire, leathery, elliptical to zwaveri, cm x cm, base rounded-subcordate, the apex obtuse to shortly acuminate, upper surface glabrous, lower surface hairy on the larger veins; petiole mm; stipules absent.

Eusideroxylon zwageri seedlings require some shade, zwagri older trees need plenty of light. The species is only planted on a small scale because the supply of seeds and seedlings is inadequate. Title Typical habitat Caption Habitat of E.