Wood Structure Characteristics of the Chicken-winged Wood Species

H1 African Bean Wood Millettia laurentii De Wild

Loose hole material. The growth wheel is not obvious. Heartwood is black and brown, often with black stripes. The tube holes are visible under the naked eye; the chord diameter is at most 366 μm, with an average of 197 μm; the number is small, 1 to 9/mm 2 . The axial thin-walled tissue is rich and obvious under the naked eye, and the main is a fistula band or a poly-wing, which is slightly wider or narrower than the fibrous tissue band. Wood fiber wall thickness. The wood ray is obvious under the magnifying glass; the wave marks are not obvious; the ray structure is mainly a single-column (small number) and multiple columns (most 2 to 4 columns). No aroma; fine to medium structure; texture is usually straight; air dry density o. 80 g/cm3.

H2 White Swallow Mulberry Millettia leucantha Kurz (M.pendula Bak.)

Loose hole material. The growth wheel is not obvious. Heartwood black brown or chestnut brown, often with black stripes. The tube holes are visible under the naked eye; the chord diameter is at most 232 μm, with an average of 153 μm; the number is as small as slightly less, 2 to 9/mm 2 . The axial thin-walled tissue is rich and obvious under the naked eye, and the main is a fistula band or a poly-wing, which is slightly wider or narrower than the fibrous tissue band. Wood fiber walls are very thick. The wood ray is obvious under the magnifying glass; the wave marks are slightly seen; the ray structure is mainly a single column (very few) and multiple columns (most 2 to 4 columns). No aroma; fine to medium structure; texture usually until slightly staggered; air dry density 1.02 g/cm3.

H3 Iron Knife Cassia siamea Lam.

Loose hole material. The growth wheel is not obvious. Heartwood chestnut brown or dark brown, often with black stripes. The tube holes are visible to the naked eye to a significant extent; the chord diameter is at most 275 μm, with an average of 183 μm; the number is small, 2 to 5/mm 2 . The axial thin-walled tissue is rich, mainly in the shape of a poly-wing or a fistula, which is narrower or equal in width than the fibrous tissue, and is obvious under the naked eye. Wood fiber wall thickness. The wood ray is visible under the magnifying glass; the wave marks are not visible; the ray structure is mainly a single column (very few) and multiple columns (most 4 to 5 columns). No aroma; fine to medium structure; staggered texture; air dry density O. 63

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Standing Desk

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