Hymenodictyon orixense (Roxb.) Mabb.
Cy tai ngh (Vietnam); Keladi (Malaysia); Medang (Malaysia); Kuthan; Caay tai nghes (Vietnam); Som kop (Thailand); Som lu (Thailand); Lata (Thailand); Oulok (Cambodia); Kusan kuthan (Myanmar); Kukun-banuk (Philippines); Hibau (Philippines); Aligango (Philippines); Medang keladi (Malaysia); Lepar (Malaysia); Klepu sapi (Indonesia); Jati awang (Indonesia); Bindung gelatah (Indonesia)
Hymenodictyon excelsum (Roxb.) Wall.; Cinchona orixensis Roxb.; Cinchona excelsa Roxb.
It is a small to medium-sized tree up to 25 m tall. The bole is usually rather straight, up to 50 cm in diameter.
In the Philippines it is often found in secondary forests at low and medium altitudes and on cliffs near the sea.
The bark contains scopoletin.
Wood diffuse porous. Occasionally vessels in radial multiples of 4 or more common. Occasionally tangential diameter of vessel lumina 100 micras or less. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally vessels per mm2 more th Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. Over 9 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays more than 10 per mm (abundant). Rays of two distinct sizes. Ray height more than 1 mm. Occasionally larger rays more than 4 seriate. Occasionally larger rays more than 4 seriate. Sheath cells. Body ray cells procumbent with ove Fibers with distinctly bordered pits.
The heartwood is white when fresh, becoming yellow-grey or pale grey-brown on exposure, not clearly demarcated from the sapwood.
The grain is straight.
The texture is moderately fine to slightly coarse and even.
The wood is not durable when exposed to the whether or in contact with the ground.
The wood is moderately resistant to preservative treatment.
Ease of Drying: Shrinkage of the wood during seasoning is very low to moderate.
Machining operations are rather easy.
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