The pine tree has a pagoda-like appearance, with needle-shaped leaves and cone-shaped fruits with seeds similar to melon seeds.

Pine nuts, the seeds of the pine family, also known as pine nuts, sea pine nuts, falling pine nuts, origin mainly in China's northeast Changbai Mountain and small Xing'anling forest area. Pine tree can generally grow to about 30m, the bark is gray-brown or gray, the upper part of the trunk is often forked. Its crown is conical, the needles are 5-needle bunches, and also very thick and hard, will be in June when the flowering, female bulb flower is greenish-brown, male bulb flower is reddish-yellow.

Pine nuts seed is capsule, from the upper part of the split, fruit wood or corky, the central axis exists, the seed is round or semicircular, seed coat angular, endosperm rich. Pine nut trees are geniculate respiratory roots, roots that stick out of the ground to aid in gas exchange when growing in areas with high water content.

Pine Tree Characteristics

The large size of the tree is one of the characteristics of the pine tree, which is found in a large number of species, but most of the pine tree varieties belong to the category of tall trees. Some pine trees can reach a height of 45 meters after maturity, and the trunk diameter can reach about 1.5 meters. And most pine trees are made of good material, so there is a lot of famous wood is taken from the pine tree.

The pine tree is also characterized by a long life, according to relevant research data show that most varieties of pine tree life expectancy of more than 1,000 years. And different pine trees specific results of different times, some pine trees need to cultivate a few years to produce pine cones, there are also pine trees to cultivate decades or hundreds of years to produce pine cones.