1, kernel fruit tree
It belongs to Rosaceae, including apple, pear, begonia fruit, hawthorn, papaya and so on. The fruit is mainly composed of ovary and receptacle, which is a false fruit. The outer layer of the fruit is fleshy receptacle, which accounts for most of the fruit. The fleshy outer mesocarp and receptacle are edible parts, and the endocarp is leathery. Most fruits are resistant to storage and transportation.
2. Drupe fruit trees
Including peaches, plums, apricots and cherries. The outer wall of the ovary forms exocarp, the middle wall develops into fruit meat, and the inner wall forms lignified stone. There is usually a seed in a stone. The edible part is mesocarp.
3. Berry fruit trees
Include kiwi fruit, raspberry, pomegranate, grape, etc. The fruit is juicy, and the seeds are small and numerous, which are distributed in the pulp, and most of them are not resistant to storage. This kind of fruit has great differences in fruit structure due to different tree species. Its representative tree species is grape, the fruit develops from ovary, the exocarp is membranous and the mesocarp is soft and juicy. The edible part is mesocarp.
4. Nut fruit trees
Including walnuts, chestnuts, hazelnuts, ginkgo, etc. It is characterized by a hard shell outside the fruit and seeds in the shell. Edible parts are mostly seeds, which have low water content and are resistant to storage and transportation, commonly known as dried fruits.
5. Persimmon and jujube trees
Exocarp membranous, mesocarp fleshy. The endocarp of jujube forms a nucleus, and the edible part is mesocarp; Persimmon endocarp is tough, and the edible part is the middle endocarp.
In the folk, the taboo of planting trees in the courtyard is as follows:
1, willow
It is forbidden to plant willows in the yard. Planting willow will cause people to lose money, because the homonym of willow is' flow', so planting willow will let the wealth of the family flow out. In addition, there is also a saying that people thought that willow trees belong to yin for a long time, and the image of attracting yin is not good. In addition, willows do not bear seeds, and seeds and seeds are also homophonic, which is very unlucky.
2. Poplar
Poplar leaves are lush, and when there is wind, they will rustle and rustle, so there is a saying among the people that poplars are called "ghosts clap their hands". Therefore, for comfort, people usually don't like to grow poplars. Some people think that poplars are easy to attract ghosts because they make noise when the wind blows.
3.peach trees
Peach trees are also unlucky, because the peach blossoms on peach trees are blood red. People think that the blood red of peach trees is just a little bit of blood, so no one wants to plant peach trees in the yard. Peach is homophonic with' escape', so people will think it means escape. However, from the perspective of geomantic omen, peach trees are the essence of the five elements and can kill hundreds of ghosts, so there are a series of evil spirits made of peach trees.
4. cypress
Cypress is evergreen all year round and has strong vitality, so it should be very auspicious. But what is wrong is that this kind of Lord is often planted in a cemetery, so it is also called a grave tree. Planting cypress in a house with an unclear meaning is considered taboo.
5. Plum tree
Plum trees are homophonic with' plum', so people think that planting plum trees in the yard will imply that the owner is lewd and his wife is ruined.
6. Banyan Tree
Planting banyan trees in the yard is considered by many people to be banyan trees rather than people. Banyan trees usually have thick roots, so the underground roots are developed, which often leads to uneven terrain and unstable houses. Moreover, banyan trees are mostly in cemeteries, and Yang Zhai is not suitable for planting banyan trees.
7.mulberry trees
Mulberry is homophonic with' mourning', so it becomes very unlucky. Go out and see sang homophonic. But some people don't admit this, so many mulberry trees are planted at home.