Avicennia alba Blume
M[aws]m tr[aws]ng (Vietnam); Phephe le (Thailand); Mae le (Thailand); Samae khao (Thailand); Lame (Myanmar); Aip-api puti (Philippines); Apiapi puteh (Malaysia); Api-api hitam (Sarawak); ros-rosan (Indonesia)
Avicennia spicata Kunth.; Avicennia officinalis L. var. alba (Blume) Hook. e; Avicennia marina (Forsk.) Vierh. Var. alba (Blume)
It is a small to medium sized tree, reaching up to 30 m in height and 60 cm in diameter. The bole is usually crooked, branchless for the first 10 m.
It thrives at the sea level, it is a typical element of the mangrove fringe.
Plantations are reported in Fiji.
Wood diffuse porous. Occasionally vessels in radial multiples of 4 or more common. Occasionally vessels of two distinct diameter classes, wood not ring-porous. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally vessels with col Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays more than 10 per mm (abundant). Occasionally rays of two distinct sizes. Ray height more than 1 mm. Occasionally larger rays more than 4 seriate. Prismatic crystals in the ray cells. Fibers with simple to minutely bordered pits.
The heartwood is grayish with a purple cast, not differentiated from the sapwood.
The grain is typically straight or wavy and sometimes interlocked.
The texture is typically fine to medium.
It presents a pronounced figure on the tangential face.
It has very low natural resistance to decay. It is vulnerable to attack by insects and it is also prone to blue stain.
Drying Defects: Care is needed during seasoning, especially with the heavier timber, as backsawn boards tend to check. Kiln Schedules: Kiln drying of heavier grades of eucalyptus timber is only practicable in boards up to 25 mm in thickness. It is strongly recommended to air dry the wood to 30% moisture content prior to kiln drying.
It is rather difficult to work due to the interlocked grain and the presence of stone cells.
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