The pronunciation is: j √. It means: perennial herb with spiny stems, pinnate leaves, purplish red flowers and oval achenes. The ancient place name, in the southwest of Beijing today, was once the capital of Yan State in Zhou Dynasty. Jixian, a place name, is in Tianjin. Last name.

First, the definition of words about thistle

1, thistle: another name for thistle. As a thistle plant, it has the effect of traditional Chinese medicine.

2. Cirsium japonicum: Cirsium japonicum, also known as Sargassum and Cirsium japonicum, is a perennial erect herb.

3. Yucheng: During the Spring and Autumn Period and the Warring States Period, Yucheng was the capital of Yan State, one of the seven heroes of the Warring States Period.

4, coastal thistle: common name: chicken horn thorn, southern thistle characteristics: perennial herbs, native to the beach or in the wild. The taproot goes deep into the ground, the leaves are shiny, the feathers are scored, the root leaves have stalks, and the dorsal veins of the leaves have dense hairs; The first flower is solitary on short branches, with purple or white corolla, needle-shaped top and 3.5 cm long stem.

5. Qiu Ji: Also known as "Qiu Ji". Ancient place names. In the northwest corner outside Deshengmen in western Beijing.

4. Horse thistle: another name for Cirsium japonicum. See Li Ming's Compendium of Materia Medica, Grass IV, Cirsium japonicum, Cirsium japonicum.

5. Thorn thistle: commonly known as thistle and thistle. Because all leaves have thorns, they are called.

Second, the introduction of thistle

Cirsium japonicum Except DC. Belonging to Compositae, it is a perennial herb, also known as radish, thistle and radish. The source of the alias is that the root of thistle is spindle-shaped or radish-shaped, with a diameter of 7 mm, which is very similar to the radish that people usually see. The stems of thistles are erect, ribbed on the stems and branches, and covered with sparse or dense long-noded hairs. April-165438+ 10 is the time when it blooms and bears fruit.

Thistle is widely distributed in southwest China, Central Plains, Jiangsu, Zhejiang and Shanghai, Guangdong and Guangxi. Thistle grows from 400 meters to 265,438+000 meters above sea level, and usually grows in wasteland, fields, grasslands, hillside forests, roadsides, bushes, forest margins and streams. The flower language of thistle is steady, silent love, cautious and rigorous. Today, it has been artificially cultivated for medicinal purposes. Chinese medicine believes that thistle can be used as medicine all over the body, which can cure heat bleeding, blood stasis and malignant sores.