This kind of tree is super afraid of "tickling", try it!

Author:Science popularization China Time:2022.08.26

Lagerstroemia is a common gardening flower. Now there are hundreds of cultivation varieties. If the ancients are divided, red can be called Chiwei, white, and white purple.

Chiwei

Silver Wei

Cuiwei

01. The source of the name "Lagerstroemia"

According to the records in the Southern Song Dynasty's "Quanfang Preparation", Lagerstroemia's name appeared in the Tang Dynasty.

This Mu Shenglin Ye, since the Tang family set up the Lilun Pavilion, under the roots, the long -time partner waved the emperor's system, because of the Ziwei.

The central government system of the Tang Dynasty was the three provinces and six systems, and one of the three provinces. The provinces of the three provinces were renamed Ziwei Province during the opening of Tang Xuanzong. After adding a foamed head, it is Ziwei.

Bai Juyi wrote the verse of "Who is sitting at dusk, Lagerstroemiacahua to Ziwei Lang", which means that he was an official in Ziwei Province. When he worked overtime at night, there was Ziwei flower in the yard to accompany him.

The ornamental plants planted in the Imperial City Official Office must have a little extraordinary place. The advantages of this Ziwei, Yang Wanli wrote clearly in the poem, "Whoever flowers has no red for ten days, Lagerstroemia is long for half a year." That is to say The flowering period of Lagerstroemia, especially in northern China, lacks flowering trees in summer, and only Ziwei can bloom with scorching sun.

02. What is Lagerstroemia's flowers?

If you look closely at Lagerstroemia's flowers, you can also find some interesting places. For example, most of our common plants are 3, 4 or 5 bases.

What does that mean? For example, the flower of hemerocallis, the flower quilt consists of 3 sepals and 3 petals. This is called 3 bases, and the 4 and 5 bases are also pushed.

And this kind of purple Weihua, it is 6 bases, the calyx is divided into 6 cracks, and the petals are also 6. Although there are dozens of stamens, 6 of them are particularly long. , Volume Yellow.

These two kinds of stamens have different functions. The color of the short stamens is bright and specially used to attract insects. The pollen produced by it basically does not have reproduction capabilities.

The pollen that is really used for the penetration comes from the six long stamens. When the insects eat short stamen pollen, the cubs of the long stamen can be used to them, and then they are passed on to the pistil of the next flower.

03. Is Lagerstroemia "afraid of itching"?

Regarding Lagerstroemia, there is also a widely circulated saying, saying that it is afraid of itching. If you touch the trunk with your hands, the branches will tremble. Is this true?

In fact, this is only because the thickness of the Ziwei branches is relatively uniform. The flowers are concentrated on the top of the stem. It is a bit "heavy head and light". A little bit of air flow can make it tremble, let alone touch the trunk directly.

However, after the trunk of Lagerstroemia, the epidermis will fall off, and it feels good. The feel is really good. In the Tang Dynasty "Puyang Miscellaneous", "Lagerstroemia, the northern people call the Monkey Langda tree, which means that it has no skin and apes. "It can't be done", which means that the Ziwei trunk is too smooth, and the monkeys can't climb up.