Essay about describing flowers

The poet Kang Qiao's prose "Make Flowers More Beautiful".

Make flowers more beautiful

Cambridge

Flowers are the best gift from God to mankind.

People believe in fairy tales just like they believe that beautiful elves live in the stamens of flowers. Therefore, flowers have long represented our love, career and health. Flowers are a symbol of almost all beautiful things.

For the living earth, flowers do not suddenly fall from the sky, not even the green that surrounds them! In order to welcome the arrival of humans, they also went through a long life preparation.

In the middle of the Paleozoic Era, plants began to move from the ocean to the land.

Only then did our earth begin to turn green.

Earlier plants did not bloom.

The earliest green plants on land were mainly ferns. Ferns reproduce by spores and have no seeds.

After the Mesozoic Era, our green world became richer. In addition to ferns, ginkgo trees, conifers, and cycads (iron trees) began to appear. These plants are all gymnosperms.

The male and female flowers of gymnosperms are separate, and the seeds of gymnosperms do not have ovaries.

The German poet Goethe once proposed that flowers are metamorphosis of leaves. Dissecting a primitive flower and observing its form in detail will convince us that there is a grain of truth in the words of the poet Goethe.

The calyx, corolla, stamens and pistils of an evolved flower are very different from the green leaves. It is difficult for us to see the connection between the flower and the leaves. But when we look closely at the magnolia, we will find that the nine pieces of the magnolia's perianth are just like the shape of the leaves. Magnolia is a species of the genus Magnolia in the family Magnoliaceae, which is the most primitive family of flowering plants. Magnolia flowers have not yet differentiated into calyx and corolla; the stamens and pistils are separated and arranged in a spiral shape.

There is a kind of Dejian Lemu in the Magnoliaceae family. Its stamens and pistils are more like leaves. Dejian Lemu is distributed in the South Pacific. The carpel of Dejian Lemu is also like a leaf. Its pistil has no style and the ovary is like a small bottle. In particular, the stigma is not round like the top of the ovary of other plants. , its stigma extends from top to bottom at the junction of both sides of the carpel, much like a leaf folded in half.

Magnolia is the earliest flower on earth. It did not appear until the late Cretaceous period. Plants that can produce petals are called angiosperms. The stamens and pistils of angiosperms grow together, and the seeds are enclosed in the ovary.

The iron tree, which is earlier than the magnolia, blooms less frequently and has irregular flowering periods. The flowers of the iron tree do not have green calyxes, nor do they have beautiful petals to attract insects. Of course, iron trees that cannot bloom petals cannot be called angiosperms, but can only be regarded as gymnosperms.

Yes, flowers are not born with beauty, nor are they born beautiful. It has also gone through the process from simple to complex, from single to colorful.

For a long time, people have tried to make flowers more beautiful.

People use genetic engineering to change flower color, flower shape and flowering period, and develop new varieties that are difficult to obtain with traditional gardening techniques.

Using genetic engineering, scientists transferred the chalcone synthase gene into purple petunia, achieving different shades of flower colors on the same plant.

The genetically modified petunias have three different colors: purple, white, and purple and white.

So far, scientists have successfully transferred foreign genes into roses, petunias, carnations, tulips, chrysanthemums and other favorite flowers.

Since the 20th century, the flower industry has gradually become an industry with high economic benefits. The annual flower industry sales worldwide amount to US$100 million.

Making flowers more beautiful is not just an idea that is only available today with modern science and technology. Our ancients have already used their brains on this.

It can be said that the cloning of flowers in my country began as early as the Tang Dynasty.

According to legend, Han Yu’s nephew had a wonderful skill in growing flowers.

Zhongren in "Youyang Zazu" records the story of Han Yu's nephew cloning peonies.

A distant nephew of Han Yu came from Jianghuai.

When Han Yu saw that his nephew was very young, he asked him to accompany his children in the academy.

The children were all insulted by Han Yu's nephew. When Han Yu found out, he sent him to the monastery on the west side of the street to let him study. Ten days later, the temple master said that he was frivolous and rude again, so Han Yu had to let him go back. Han Yu scolded his nephew: "What can you do?"

The nephew apologized to Han Yu and said slowly: "I have a child." I hate that my uncle doesn’t know about this skill!” He pointed at the peonies in front of the steps and said, “Uncle, you just have to tell me what kind of blue, purple, red and yellow flowers you want for this peony!”

Han Yu was surprised, so he found him what he needed and asked him to try it out.

Han Yu's nephew used curtains and other things to cover all the peonies so that no one could see them. He dug out all four sides of the peonies, right down to the roots. They were wide and narrow enough for one person to sit down, and used some light pink vermilion. Use something like this to treat the roots of peonies in the morning and at night.

Seven days later, he buried the pit. He told Han Yu that it would be fine within a month at the latest.

It was early winter. The peony originally had purple flowers, but when they bloomed, they turned into yellow and red, and each flower had a couplet of poems written clearly in purple.

On the cloned peony flower, Han Yu read the poem he wrote when he came out of quarantine: "Where is my home in the Qinling Mountains where the clouds are, the snow embraces the blue gate and the horse can't move forward"...

Peony is the national flower of our country. The colors of peonies include red, white and purple. In the past books, there were straight peonies, inverted peonies and Albizia julibrissin.

Chang'an once advocated visiting peonies.

Every late spring, there is an endless stream of carriages and horses browsing and admiring peonies, and people feel ashamed that they cannot enjoy them nearby. Peonies are planted in many temples and Taoist temples, and some peonies can earn tens of thousands.

In the past, to clone flowers, you could only use dyes. "Beimeng Suoyan" also records that Han Yu's nephew had a strange flower gardening skill.

During the Tang Dynasty, Du Ruxiu was in charge of Huzhou, where there was a family who dyed clothes. There were green lotus flowers growing in the pond.

Du Guishi asked people to collect the green lotus seeds and planted them in ponds when he returned to the capital. Some of them turned into red lotuses. Du felt strange about the matter, so he wrote to the dyers to ask. The dyer wrote back: "My family has a large urn containing indigo that has been used for three generations. I once soaked lotus seeds under the urn and waited for a year before planting them. If the sown indigo seeds are used as seeds, Then it turns red. This means it has regained its true nature. What's so strange about it?" So he gave the soaked lotus seeds to Du Geishi.

Traditional dyeing can change the color of the flower, and the climate can also change.

Flowers belong to spring! However, one flower cannot create a spring.

In the wide world, colorful flowers embellish our beautiful world. New varieties are cultivated through artificial selection. The book "Chrysanthemum Pu" of the Song Dynasty of my country describes 35 varieties of chrysanthemums. The author Liu Meng pointed out: Peony flowers often mutate, and by selecting and preserving the mutations, new varieties can be formed.

Our ancestors not only recognized the universality of variation, but also the relationship between variation and environmental conditions. People have also made full use of mutations as materials, widely adopted seed conservation and seed selection techniques to preserve the good and eliminate the bad, creating new lives of incomparable beauty.

In "Luoyang Peony", Ouyang Xiu of the Song Dynasty talked about the use of bud mutation selection to cultivate new peonies.

The Chinese nation is a nation that loves flowers. Many famous flowers have been cultivated over thousands of years. Such as the top ten famous flowers: orchid, plum blossom, peony, peony, lotus, camellia, azalea, rose, chrysanthemum, osmanthus, etc.

Although traditional flower cultivation has huge advantages, it still has its limitations.

Plant cloning not only reproduces quickly, but also avoids the mutation of offspring caused by seed reproduction, and can obtain disease-free and harmless plants.

Flowers are beautiful, but flowers are also delicate. Most flowers bloom only in spring and fade in autumn.

Scientists have used genetic engineering to find ways to extend the blooming time of flowers, and have developed three types of long-lived carnations that bloom at least twice as long as traditional flowers. Scientists are working to make flowers span the seasons so that summer flowers bloom in winter.

To make the flowers more brilliant, scientists also transferred genes related to luminescence from fireflies into plant cells to create transgenic tropical orchids that glow at night. Let the flowers at night flash fluorescently, let the Christmas tree be transparent on Christmas Eve, and our world will be as bright as the flowers.