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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Prismatic crystals in radial alignment in procumbent ray cells chambered cells. The heartwood varies from yellow-brown to reddish yellow-brown, becoming dark brown or almost black on exposure. Belian tree is a tree species that grows slowly and will take up to years to reach 30 euaideroxylon diameter.

Sawing Sawmilling of this species is reportedly easy to fair.

Eusideroxylon zwageri: The official tree of Sarawak

Title Seed variation Caption Variation of E. Belian seeds are poisonous and very hard. Belian wood is widely used in heavy construction and large-scale production such as for house structures, pillars, floors, and walls. Tunggul kayunya akan kekal di tanah sehingga berpuluh-puluh tahun lamanya. Seed dispersal is apparently often by water; rich pockets of ulin forest are often found at places where the fruits wash ashore in large quantities along rivers.

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Artikel oleh Naimah CL, dimuat naik pada on 7 Mei Title Seedlings Caption One year old E. Conservation of vanishing timber species in the Philippines In: 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.

Retrieved 8 July Botanical Description It is an evergreen tree of up to 40 m tall.

The sapwood is pale yellowish. Prismatic crystals in the ray cells. Tendency to eusoderoxylon forest stands. The species is considered unsuitable for large-scale plantations due to slow growth and inadequate seed and seedling supply.

Eusideroxylon zwageri – Useful Tropical Plants

Belian trees zwzgeri usually found along riverbanks. Biasanya, pokok belian boleh dijumpai di sepanjang sungai. The leaf blade is entire unlobed or lobed in Sassafras and occasionally with domatia crevices or hollows serving as lodging for mites in axils of main lateral veins present in Cinnamomum.

The tepals are in groups of 6 to 9, in 2 or 3 whorls of 3 and sepaloid. Currently the situation is assessed as a serious depletion of stands. Color The sapwood is pale yellowish. Title Sprouting stump Caption E. Planing Planing of this species is reported to zwgaeri gives good results despite its hardness. This odour, along with the woods’ natural high lustre, make it prized by cabinet-makers and fine furniture craftsmen. Body ray Fibers with distinctly bordered pits. Kalimantan, Xwageri, Sabah, Sarawak, and the Philippines.


Pokok belian Eusideroxylon zwageri merupakan sejenis pokok kayu keras yang bukan tergolong dalam kumpulan dipterokarpa. Title Root system Caption Root system of E. Kayu belian banyak digunakan dalam pembinaan berat dan eusideroxylln besar seperti membuat struktur rumah, tiang, lantai dan dinding. Luster The heartwood is somewhat lustrous. In other projects Wikimedia Commons Wikispecies.

It is reported to contain up to 0.

The timber dries slowly, and care is needed to avoid checks and splits. Basic Density or Specific Gravity O. The fruit are poisonous to humans but have medicinal properties. Article by; Naimah CL, uploaded on 7 May Rotary Veneer Cutting Good veneer eusiderozylon be made, but it is too dense and insufficiently ornamental for this purpose.

Wikimedia Commons has media related to Eusideroxylon zwageri.

ULIN (Eusideroxylon zwageri)

Title Stem form Caption Stem form of E. Kepingan belian juga dibuat eusidedoxylon hiasan luar bumbung rumah. The trunk has many small, rounded buttresses that give the base an elephant-foot like appearance. Archived from the original on May 6, Toggle Sliding Bar Area.

Schedule suggested for Thitmin.