Chinese name: Iron Knife Wood
Latin scientific name: Senna siamea
Taxonomic status: Legumes Cassia genus
Distribution: In addition to the wild in Yunnan, it is cultivated in all provinces and regions in the south. It is found in India, Myanmar and Thailand.
Knowledge extension: ornamental - iron knife wood is evergreen all year round, the branches and leaves are green, the leaves are beautiful, the flowering period is long, there are few diseases and insect pests, it is a low-maintenance excellent tree, and can be used as a garden, street tree and shelter forest tree species.
Material - This species has a long history of cultivation in China, the wood is hard and dense, resistant to water and moisture, free from insect pests, and is a high-grade furniture raw material.
The old trees are black and beautifully textured and can be decorated for musical instruments.
Because of its rapid growth, strong germination, flammable branches and strong firepower, it is cultivated in Yunnan as a charcoal forest.
Bark and pods contain tannins that can be extracted from quercetin. Lac worms can be stocked on the branches to produce lac.
Culture - because of the large number of cultivation as charcoal forests and strong germination, each tree has to be cut down countless times in its lifetime, and it is jokingly called "a thousand knives and a thousand cutting trees" by the local people.
It is also known as the "black heart tree" because of the dark black color of the heartwood.
Source: I love Banna
Original title: Mengyuan Wonderland Plant Science Popularization - Iron Knife Wood
Editor: The City Times pays a little attention to Shi Lu
Review: Zhu Xiaohan