淺紅美蘭地(Light Red Meranti)

 

一般性質

中文商用名稱：淺紅美蘭地

學名：Shorea spp.(包括Shorea acuminata Dyer, S. dasyphylla Foxw., S. johorensis, S. lepidota (Korth.) Bl., S. macroptera Dyer, S. parvifolia Dyer)

英文商用名稱：light red meranti, lauan, red meranti

科名：龍腦香科(Dipterocarpaceae)

其他參考名稱：Rubroshorea
產地 : 泰國、寮國、越南、印尼、柬埔寨

解剖性質

[一般及肉眼下特徵]
1.邊心材區別明顯，邊材淡灰褐色，心材淡紅褐色。
2.木理交錯具條紋狀紋理，木肌粗糙。

3.具垂直樹脂溝，呈白色同心圓狀。

3.輕軟至硬重均有，氣乾比重(0.4–0.8 g/cm³)。

[放大鏡下特徵]
1.散孔材，導管稍大略少，管孔單獨排列或2~3個弦向或斜向不規則排列。弦向徑155-350µm，密度 4–8/mm² 。
2.導管內具填充體但不多。
3.軸向薄壁組織帶狀 。離孔或圍孔縱向薄壁細胞很少。 離孔縱向薄壁組織多半單生且分散。 圍孔縱向薄壁細胞環孔、翼狀排列。 

用途
可供合板、建築、家具、木器工藝品等。

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Gernaral Properties
1.Scientifitic name: Shorea spp.(include Shorea acuminata Dyer, S. dasyphylla Foxw., S. johorensis, S. lepidota (Korth.) Bl., S. macroptera Dyer, S. parvifolia Dyer)
2.Commercial name: light red meranti, lauan, red meranti
3.Family: Dipterocarpaceae
4.Geogrphy distribution:  Thailand, Laos, Vietnam, Cambodia, and Indomalesia.

Anatonical Properties
[Features under Naked Eyes]

1.Growth ring boundaries distinct. Sapwood light grey-brownish, heartwood yellow brownish. 
2.Intercellular canals present, axial type, distinct white color, in short tangential lines or concentric circle-shaped array.
3.Basic specific gravity 0.4–0.8 g/cm³.

[Features under Magnifier or Microscope]

1.Wood diffuse-porous. Vessels arranged in no specific pattern, in multiples, commonly short (2–3 vessels) radial rows. Average numbers of vessels/mm² 4–8. Average tangential vessel diameter 155–350 µm.
2.Tyloses in vessels present but not much.
3.Axial parenchyma banded. Axial parenchyma rarely apotracheal, or paratracheal. Apotracheal axial parenchyma diffuse and diffuse-in-aggregates. Paratracheal axial parenchyma vasicentric, aliform, and unilateral.

Use
Structural, plywood, furniture, Arts & Crafts