Abstract: Revealing the secrets of Portugal's national flower-Oxalis Portugal, as a Mediterranean-style country, not only has a unique natural environment and climate conditions, but also has a rich and colorful cultural heritage. As the national flower of this country, oxalis has long become a major flower in Portugal...
Reveal the national flower of Portugal-Oxal Sorrel

Portugal, as a Mediterranean-style country, not only has a unique natural environment and climate conditions, but also has a rich and colorful cultural heritage. As the national flower of this country, oxalis has long become an important symbol of Portugal. What exactly is oxal? Why did it become the national flower of Portugal? Today we will explore the sorrel of Portugal.
Overview of Oxalis As a perennial herb, Oxalis is also known as Rumex, sour grass, etc. Its leaves are dark green, and the flowers are lavender, giving off a strong fragrance. This plant is very common in Europe, especially widely distributed in Portugal, becoming a unique local landscape.

The history of oxal as early as the ancient Greek era, oxal was already known to people. In that era, it was considered a magical herb for treating skin diseases and indigestion. In the Middle Ages, oxalis became the first choice for doctors to treat colds, headaches and other diseases. To this day, this plant remains an important resource in the medical field.
The ecological environment of oxalis is very adaptable, so oxalis can grow under almost all environmental conditions. However, it likes sandy land and dry climate best, so in a place like Portugal, oxal has become a common plant as expected.
Distribution of oxalis in Portugal If you have the opportunity to visit Portugal, you must not miss the beauty of this country's sea of flowers. In the mountainous areas of northern and central Portugal, you will find oxalis in many lakes and forests. In addition, in the Algarve region in southern Portugal, there are also grasslands covered with oxals.

How to cultivate oxalis If you want to grow oxalis in your backyard, you need to know some basic cultivation techniques. You need to choose a soil with good breathability and strong drainage capacity. You need to pay attention to the amount of watering every day and try to avoid excessive watering. Need to ensure enough sunlight every day.
The medicinal value of oxalis In addition to being the national flower of Portugal, oxalis is also a very valuable plant in the medical field. It can be used to treat colds, fever and other diseases, but also helps regulate metabolic functions within the body, and also has a good protective effect on the liver and gallbladder system.
In addition to the edible value of oxalis, oxalis also has a very wide range of uses in the food field. In Germany and Austria, sorrel is used to cook traditional fish dishes, while in France it is often used to make soups and desserts. In addition, oxalis can also be used to make sauces and salads and other dishes.
Origin of Portugal's national flower In the history of Portugal, oxalis is a very popular plant. It is based on this cultural background that Portugal officially designated it as the national flower in 1971 to express its love and respect for the country.
The cultural symbolism of oxalis In addition to being the national flower of Portugal, oxalis also has a very rich cultural symbolism. In regions such as Germany and Austria, oxalis is regarded as a sacred plant and is widely used to treat various diseases. In France, sorrel is often used as a romantic pattern to decorate various gifts and objects.
Appreciating Portugal's sorrel If you have the opportunity to travel to Portugal, then you must go to the Moncegrat Valley in the south, where there is a beautiful sorrel grassland. In addition, there are many good places to admire oxals in the Pico Mountains in northern Portugal and the Jarve Valley in central Portugal.
Other varieties of oxalis In addition to the varieties common in Portugal, there are many other varieties of oxalis. For example, in the United States, there is a variety called "golden mottled oxalis" whose leaves are covered with golden spots.
Sorrel and Memorial Day In English, sorrel is called "violet", and it is also a representative flower for British War Memorial Day. Every year on November 11th, the British people wear a sorrel flower representing the anniversary to express their respect for the victims of the war.
The literary value of oxalis As a plant full of mystery, oxalis plays a very important role in many literary works. For example, in Shakespeare's "A Midsummer Night's Dream", oxal is used as a powerful aphrodisiac.
The artistic value of oxalis In the artistic field, oxalis is also a very popular theme. For example, in the works of the Impressionist master Van Gogh, the figure of wood sorrel can often be seen. In addition, in the works of many modern artists, sorrel is often used as an image symbol.
Portugal's national flower, Oxalis, is not only a beautiful plant, but also a representative full of rich cultural history and value significance. Its legendary story and various wonderful uses have given us more understanding and love for this country. I hope that everyone will have the opportunity to experience the beauty of the sea of flowers in Portugal and see how unique this country's sorrel is.