Location: South of the Yangtze River in China. Sassafras ) Hemsl), also known as Sassafras (Zhejiang and Jiangxi), Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras, Sassafras.
Deciduous trees, up to 35 meters high and 2.5 meters in diameter at breast height. I like warm and humid climate. I like light, but I don't like shadows. Zhejiang, Jiangsu, Anhui, Jiangxi, Fujian, Guangdong, Guangxi, Hunan, Hubei, Sichuan, Guizhou and Yunnan provinces. Roots, stems and leaves can be used as medicine, as well as in shipbuilding, waterwheels and fine furniture.
Sassafras sassafras blooms in spring, before the leaves. Leaves have strange shapes and turn red in autumn. Flowers and leaves have high ornamental value. It can be used for planting in gardens and parks or as street trees, and can also be used for afforestation in mountainous areas.
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What's the difference between south elm and north elm?
In terms of materials, the scientific name of South Ulmus pumila is Sassafras and North Ulmus pumila is authentic Ulmus pumila. Ulmus pumila is divided into purple elm and yellow elm. North elm is equal to south beech, which is called "North elm south beech". Elm is not a high-grade material, and wood processing is relatively simple.
Wood stability (shrinkage, cracking, deformation, hardness) is stronger than that of old elm (sassafras is not sassafras), and that of new elm is stronger than that of new sassafras (southern elm). To clarify here, the old elm may also crack and deform, that is, mahogany, rosewood and rosewood may also crack and deform, but they are relatively stable. After all, it has a lot to do with the environment and maintenance, especially the temperature and humidity.
As far as woodworking is concerned, it can be divided into production time and production type. If a piece of furniture needs 20 working hours at the normal master level, if it is for profit, we can consider using apprentices and 16- 18 working hours, and the difference can be imagined.
In terms of production types: pure master production, master-apprentice combination production (conventional) and pure apprentice production, these can only be relative, that is, senior masters. Short working hours can't make detailed things, even an apprentice can make good things for a long time. This requires customers to find a manufacturer with high credibility or large scale.
As for the middle trunk: the middle trunk in the south is higher than that in the north, and the furniture in the south needs to be dehydrated in the north (heating is used in winter in the north), and the dehydration shrinkage cracking deformation coefficient is higher; Because the old elm in the north is beam wood, it will shrink in winter when it is dried for a long time under natural conditions, but the coefficient is not large, because it is naturally dried for a long time in the north, and the probability of deformation is low.