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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The ulin wood which is threatened to extinctionDuta Rimba: The heartwood varies from yellow-brown to reddish yellow-brown, becoming dark brown or almost black on exposure. Erosi plasma nutfah nabati: Eusideroxylon zwageri grows in lowland primary and secondary forest up to m altitude.
In Java and Sumatra zwagefi exists solely in National Parks. The heartwood when cut is coloured light brown to almost bright yellow. These are locular, with locules opening by valves.
Zwagri oleh Naimah CL, dimuat naik pada on 7 Mei Leaves alternate, simple, penni-veined, glabrous to slightly hairy below. There is a one locular ovary with a basal placentation; one ovule; a subsessile stigma, which is discoid or capitate.
Moderate abundancy of aliform paratracheal parenchyma. Ulin occurs also in mixed dipterocarp forest and has been found associated with Koompassia, Shorea, and Intsia species. Durian Luncuk conservation area, Jambi, Indonesia.
Choose color black white green blue red orange yellow navi. Eusideroxylon zwageri seedlings require some shade, while older trees need plenty of light. Belian seeds are poisonous and very hard.
Eusideroxylon zwageri – Useful Tropical Plants
Generally a species of lowland primary forest. Research policy for community forestry in the Asia-Pacific region. Botanical Description It is an evergreen tree of up to 40 m tall. 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.
Sawing Sawmilling of this species is reportedly easy to fair. It is also frequently found in dry docks as a timber to separate the hull of ships from the steel supporting stands. Silvicultural management of the eusjderoxylon natural dipterocarp forest in South-east Asiain J.
Manual selection of trees in natural forests is common. Senami forest, Jambi, Indonesia. Inflorescence axillary, paniculate, dense, drooping, cm long, densely short-hairy. It occurs scattered or in groups. The stamens of the third whorl has 2 glands near its base. It is now threatened by over-exploitationlack of regeneration and difficulties in cultivation.
Don’t need the entire report? The buttresses are many, small and rounded, giving the base eusiderooxylon elephant-foot lik.
Title Sprouting stump Caption E. 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.
It blunts zwagerri fairly rapidly, owing to its hardness. Title Inflorescence Caption Inflorescence of E. Conservation of vanishing timber species in the Philippines In: Retrieved 8 July Its height was however reduced from some 30 metres to only 20 after a lightning strike.
ULIN (Eusideroxylon zwageri)
Color The sapwood is pale yellowish. Truck Body 53 – Timbers of the New World. There is one pistil and one carpel. Synonyms Eusideroxylon borneense Fern. During the aging eusjderoxylon the heartwood darkens to deep reddish brown, very dark brown or almost black.
Ulin (Eusideroxylon zwageri) | ITTO
Title Typical habitat Caption Habitat of E. Rotary Veneer Cutting Good veneer can be made, but it is too dense and insufficiently ornamental for this purpose. Archived from the original on May 6, Boring Too high boring speeds may cause burning of the surface. The sapwood is pale yellowish. Vessels per mm2 more than 20 very abundant.
Drying Defects Ease of Drying: This is occasionally absent in Litsea. Belian wood is also made into shingles for roofing. Eusideroxylon zwageri is a rare timber tree native to the BruneiIndonesiaMalaysia and Philippines region. Title Natural regeneration Caption Natural regeneration of E.