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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Indonesia has banned the export of belian and Sarawak has placed restrictions on export; Sabah and Kalimantan continue to export it. Views Read Edit View history. Ulin generally occurs on sandy soils of Tertiary origin, on clay-loam soils or on sandy silt-loam soils, but large specimens have also been found on limestone.

Eusideroxylon zwageri is a slow growing 0.

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

Xylosandrus compactus shot-hole borer. Planing Planing of this species is reported to it gives good results despite its hardness. Retrieved from ” https: Mortising It is easy to mortise.

Another major use of ulin is for roof shingles ‘sirap’ zwagegi are reported to last 50 years to more than a century. Kayu belian banyak digunakan dalam pembinaan berat dan berskala besar seperti membuat struktur rumah, tiang, lantai dan dinding.

During the aging process the heartwood darkens to deep reddish brown, very dark brown or almost black. Belian is the official tree of Sarawak. Choose color black white green blue red orange yellow navi. Title Inflorescence Caption Inflorescence of E. Natural Distribution It can be found throughout the lowlands of Sabah extending into the remainder of Borneo, other Indonesian islands, and the Philippines; occasionally abundant.


Basic Density or Specific Gravity O. Datasheet Eusideroxylon zwageri billian.

fusideroxylon Stake Posts 5 – Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii. Flowers bisexual, actinomorphic, on a mm long pedicel; perianth tube shallow, tepals 6, in 2 whorls, imbricate, caducous, Ulin occurs also in mixed dipterocarp forest and has been found associated with Koompassia, Shorea, and Intsia species.

There is one pistil and one carpel. Grain It is straight, only occasionally interlocked. Senami Forest, Jambi, Indonesia. General Housing 10 – Silica in Timbers. The leaf blade is entire unlobed or lobed in Sassafras and occasionally with domatia crevices or eusideroxyoon serving as lodging for mites in axils of main lateral veins present in Cinnamomum. It is reported to contain up to eusideroxylln. Title Typical habitat Caption Habitat of E. Title Seed variation Caption Variation of E.

The decline of this species which was first noted in Luster The heartwood is somewhat lustrous. Bridges 2 – 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos. The wood is euxideroxylon for its easy working characteristics, despite high density.

Machining Special cutters are required. Research support to community forestry projects on forest land in Java, Indonesia in M. Leaves arranged spirally, simple, entire, leathery, elliptical to ovate, 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.


It sometimes forms almost pure stands. Fruit drupaceous, on a thick pedicel, 1 or 2 in each panicle, completely included in and adnate to the accrescent perianth tube, ellipsoid to ovoid or globular, cm x cm, glossy black at maturity, containing a single seed. Struktur rumah panjang kaum Dayak juga dibina menggunakan kayu belian. By using this site, you agree to the Terms of Use and Privacy Policy. As such, it is preferably used in marine constructions such as pilings, wharfs, docks, sluices, dams and ships keels, ribs and deckingor in heavy constructions such as bridges, power line poles, masts, piles and house posts.

Conservation of vanishing timber species in the Philippines In: Retrieved 8 July The fruit contains one seed without an endosperm.

ULIN (Eusideroxylon zwageri)

Schedule suggested for Thitmin. Sawing Sawmilling of this species is reportedly easy eusiderroxylon fair. Tyloses are often present. Sabah still allows export. The timber dries slowly, and care is needed to avoid checks and splits.

However, the seed germinates easily if given a suitable environment. Eusideroxylon zwageri is a rare timber tree native to the BruneiIndonesiaMalaysia and Philippines region.

IUCN Red List of Threatened Species

Belian tumbuh di kawasan hutan tanah pamah dan hutan sekunder dengan ketinggian m dari paras laut. Truck Body 53 – Timbers of the New World. Also attractive to users is the resistance to insectsbacteriafungi and marine borers.