flax with the word "Hu": flax, flax cake, coriander and walnut

1. flax is actually an oil crop, and the white one wins the oil, while the black one is good for eating. Originated from the Near East and the coast of Zhuhai, it was introduced to China during the Han and Tang Dynasties and mainly distributed in Shanxi, Gansu, Ningxia and Inner Mongolia.

2. Hu cake: also called "nang", similar to the traditional "sesame cake and sesame cake". The earliest birth came from the ancient western regions. Although there is no clear record about how it was introduced into the Central Plains, it can be roughly judged that it was brought back from the Western Regions by Ban Chao in the Han Dynasty.

3. coriander, that is, coriander, originated in the Mediterranean region of Europe and was brought back from the western regions by Zhang Qian in the Western Han Dynasty.

4. Walnut: that is, walnut, which was brought back from the western regions by Zhang Qian in the Western Han Dynasty. However, judging from the excavation of walnut in Cishan site, China is probably one of the original places.

with the word "fan": tomato, sweet potato, papaya and annona squarrosa

1. Tomato, that is, tomato, originated in the Andes of South America, and spread from Mexico to Spain and Portugal in 1523, and then began to spread all over the world. During the Wanli period of Ming Dynasty, it was introduced to China by European missionaries.

2. Sweet potato: that is, sweet potato was first planted in Mexico and Colombia in central China every week, and then introduced to the Philippines and other East Asian countries by the Spanish. Around the 21st year of Wanli (1593), it was introduced to China from Yunnan, Guangdong, Fujian and other places.

3. Papaya, that is, papaya and Chaenomeles, originated from southern Mexico and central Mexico every week. As for when it was introduced to China, there are two versions at present, one is that it was in the late Ming Dynasty, and the other is that it can be traced back to the Tang and Song Dynasties at the earliest.

4. Annona: Also known as Fotou Fruit, Sakyamuni Fruit and Fanli, it originated in tropical areas of America and West Indies, and was introduced to China in the 17th century, mainly in Taiwan Province, Guangdong, Fujian, Guangxi and Yunnan.

those with the word "foreign": western apples, American ginseng, potato and foreign ginger

1. Western apples are actually the apples we are talking about now. According to the local historical records of Yantai, in 1861, John Niweisi, a member of the Presbyterian Church in the United States, was sent by the Presbyterian Church to Dengzhou (now Penglai City) in Shandong Province from Shanghai. Ni returned to the United States in 1864 because of his wife's illness. When Mr. and Mrs. Ni returned to Yantai in 1871, they brought western apples, pears, American grapes, European plums and sweet cherries.

2. American ginseng: also known as American ginseng, American ginseng and western ginseng, it originated in the forest area of Wisconsin in the north of the United States and was introduced to China.

3. Potato: also known as potato, potato, yam egg, etc., originated from the temperate and subtropical regions in the Andes of South America and its nearby coastal areas, and was introduced to Spain in about 157. After artificial cultivation and selection, it spread to Asia.

4. Jerusalem artichoke, also known as Jerusalem artichoke, originated in North America and was introduced to Europe in the 17th century and then to China.

in addition to the above, there are also grapes (peach blossoms), red and blue flowers, pomegranates, garlic, alfalfa, corn, potato, cassava, pumpkin, peanuts, sunflowers, peppers, kidney beans, Lima beans, pineapples, guava, avocados, cashews, cocoa, upland cotton, tobacco, and so on.