There are two key distinguishing characteristics between Pinus tabulaeformis and Pinus tabulaeformis: one is winter bud, the winter pine bud is reddish brown, and the Japanese black pine winter bud is silvery white. This season, winter buds are not visible, so in the end there is only one other feature that can separate the two, the pine needle resin path growth position. Pinus tabulaeformis is produced by the side of the road, and Japanese black pine is born.
Pinus tabulaeformis is an evergreen tree with a height of 25m and a breast diameter of up to 1m. Alias: short needle loose, also known as black pine. It belongs to Songke, as shown in the figure below. Pinus tabulaeformis is widely distributed and is one of the main afforestation species in the vast areas of northern China.
The name of black pine is white bud pine, pine, Latin name pinusthunbergiiparl, family name pine family, genus pine. Black pine is native to Japan and the eastern coastal areas of the Korean Peninsula. China's Shandong, Jiangsu, Anhui, Zhejiang, Fujian and other coastal provinces are generally cultivated. Black pine is arbor, up to 25m, and the breast diameter is about 1m. The crown is tower-shaped or wide-oval in the strong years, and has a disk-shaped umbrella shape in old age. The bark is gray-brown, with scaly cracks and reddish brown cracks.
Xiaobian introduces several good ways to distinguish between two trees by collecting data.
1, look at the pine needle
The pine needles of black pine are thicker than the pine needles, and it is a good method to distinguish them by pine needles during the seedling stage. The black pine needles are thick, hard, and long, and the pine needles are slightly thin, soft, and slightly drooping. When the two are adult trees, the difference between the pine needles is not big. The black pine is still thicker than the loose needles of the pine, and the length is similar.
2, see the pine buds
Black pine and Chinese pine grow every year, and new shoots grow every year at the top of the tree branches. Both of them grow loose at the top after growing and growing every year. The pine bud of black pine is white, and the pine bud of pine is slightly reddish or brownish red. Therefore, black pine is also called "white bud".
3, look at the bark
Black pine bark and pine bark are not very different in the state of seedlings. Therefore, it is best to look at the bark to distinguish adult trees of black pine and pine, and the black pine bark is dark and black. The pine bark color is slightly submerged and slightly reddened. The black pine bark is dark gray, so it is called black pine, and the pine bark is grayish brown.
4, see the shape
The morphology of black pine and oil pine trees is slightly different in adulthood. Because black pine grows faster than oil pine, the spacing between each layer of black pine is larger than that of oil pine. Generally, black pine and pine are the same height. The pine nut is more than the pine branch of the black pine. Black pine trunks tend to be tortuous and tend to be bent in adulthood, while Pinus tabulaeformis is relatively straight.
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