Millettia laurentii
Butterfly flower family (Fabaceae)
Millettia
Wood name : cliff bean wood (China's mahogany standard is called chicken wing wood)
Irregular name: Yellow chicken wings
Place name
- Panga-panga (Mozambique, France, Germany, United Kingdom),
- Janbire (Mozambique)
- Mpande (Tanzania)
- Partridgewood
Trees and distribution
Large trees, 18 to 21 m high, diameter up to 1.2 m. There are about 200 species in the genus, distributed in tropical and subtropical regions. This kind is mainly imported from Tanzania and Mozambique in container transport, and the quantity is relatively large.
Wood material properties
Glossy. Texture straight; structure; Heavy and hard; Strength in; Dry shrink. Slightly difficult processing, easy blunt sawing; Wear resistance, good rotation. It is difficult to nail and must be drilled first. High corrosion resistance. Drying is fast and almost flawless
Air dry density: 0.90 g/cm³.
Wood applications
This genus of wood belongs to the mahogany chicken wing wood, suitable for carving, handicrafts, high-grade furniture, high-grade flooring, piano, violin bow and so on.
Bark
Thickness 1.0 ~ 1.5cm, tough, smooth surface, not easy to peel off. The outer skin is grayish yellowish brown with fine cracks, and it is easy to fall off in thin sheets of paper. The endothelium is yellowish white, the oblique mask is black with pinstripes, and the stone cells are granular, concentrated in the near outer skin.
cross section
The difference between the heart sapwood is obvious, and a circle of black lines is common at the junction. The heartwood is yellowish brown to chocolate coffee with fine dark and light pinstripes. The sapwood is light yellow and about 3 cm wide. The growth wheel is obvious.
Macroscopic construction
Loose hole material. Tube holes are visible under the naked eye, few but slightly larger, the main one is a single tube hole, very few diameter double tube holes (2 to 3), with gum and yellow-white sediment. Axial parenchymal tissue is conspicuous under the naked eye, developed, and the bands of the pleiades (wavy, slightly wider) are a few annular bundles and wings. Wood ray visible under magnifying glass, in density. narrow.
Identify the gist
The outer skin is grayish yellowish brown with fine cracks. The inner skin is yellowish white, and the beveled surface has fine brown lines. Compared with The African Cliff Beanwood, its string-cut chicken wing pattern is more delicate. The color is more yellowish, and the sediment in the tube holes is richer.