Pineapple ear: it is a unique fresh food species in Xiangqiao Township, Tongan County. Its tree shape is similar to a rising water, the fruit ear is half a meter long, the fruit is large, uniform and beautiful, the skin is thin, the flesh is thick and crisp, the taste is sweet and palatable, and the fresh food is the best. This variety has wide adaptability, high and stable yield, and it is really outstanding among many longan varieties, so it can be further popularized as fresh longan in the future.

Tongan pineapple ear longan is a specialty of Tongan District, Xiamen City, Fujian Province. Tongan "pineapple spike" longan has the characteristics of thick and transparent meat, soft core and little red and sweet residue, which can be used as medicine and tea, and is deeply loved by consumers. Tongan pineapple spike longan is a geographical indication certification trademark.

Longan planting in Tongan District of Xiamen has a long history and rich variety resources. There are nearly 50 varieties and strains on record, with an existing area of 90,000 mu and an annual output of 25,000 tons of fresh fruit. Longan production plays an important role in the agricultural economy of Tongan District, Xiamen, and is listed as one of the six longan bases in China. At present, the main variety promoted in Tongan District is "pineapple spike", and the planting bases are mainly distributed in Houxi town, jimei district, Lianhua, Tang Hong, Wuxian and Tingxi towns in Tongan, with a planting area of 30,000 mu and an annual fresh fruit output of 1 10,000 tons. "Pineapple Ear" longan ear can reach 50 cm long, with large, uniform and beautiful fruit, thin peel, thick and crisp flesh, sweet and palatable taste, and it is a good fresh food.

Tongan "pineapple spike" longan is a famous fruit in Tongan District of Xiamen. It originated from Ma _ Nature Village, Xitang Village, Xinmin Town, Tong 'an District, Xiamen, and has been cultivated for more than 100 years. It was discovered by the Agricultural Technology Extension Center of Tongan District, Xiamen City in the 1980 general survey of longan variety resources, and developed and expanded. "Fenglisui" longan has excellent variety characteristics such as shoot washing resistance, high and stable yield, excellent fruit quality and slow sugar removal of mature fruits. Combined with the high grafting technology in Tong 'an District, the "Fenglisui" longan was planted in a large area, and the planting area reached 36,000 mu in 20 12 years, which has become the main variety of longan in Tong 'an District. In 2007, it passed the variety appraisal in Fujian province and the scientific and technological achievements appraisal in Xiamen on 20 10. 20 1 1 Project won the second prize of Xiamen Science and Technology Progress Award.