Different sources: Imperial Mandarin comes from Ehime County, Japan, and Imperial Mandarin comes from Zhenshan District, Sihui City, Guangdong Province.

Different names: Guifei tangerine is also called Ehime No. 42, and Emperor tangerine is also called Gong tangerine.

Appearances are different: Guifei mandarin is round in shape, dark orange in color, easy to peel, tender in taste, and has excellent flavor. Emperor mandarin is oblate or spherical in shape, with smooth peel, and is orange-yellow before it is ripe. The color is orange, the flesh is moderately sweet and sour, and has a refreshing aroma.

The ripening times are different: Guifei tangerine matures in late January every year, and Emperor tangerine matures around October every year.

1. Different sources

1. Imperial Mandarin: Originated from Ehime County, Japan. It is the offspring of a cross between Haruhime and Ehime No. 17 mandarin oranges.

2. Emperor Mandarin: Originally originated from Zhenshan District, Sihui City, Guangdong Province, it is a rare variety among farmers.

2. Different nicknames

1. Guifei Mandarin: refers to Ehime No. 42.

2. Emperor tangerine: also known as tribute tangerine.

3. Different appearances

1. Guifei Mandarin: The fruit is round in shape, dark orange in color, smooth and lustrous in appearance, and the average fruit weight is 200 grams. It is easy to peel, has a tender texture, is fragrant and refreshing, and has an excellent flavor.

2. Emperor Mandarin: The fruit is oblate or spherical, medium in size, and the weight of a single fruit is about 130-140 grams. The peel is smooth, orange-yellow before being fully mature, and orange-yellow when fully mature. The peel is crisp, thin, and the juice cells are soft. It is rich in juice after being fully matured and stored. It has moderate sweetness and sourness and a refreshing fragrance.

4. Different maturation times

1. Guifei Mandarin: The maturity period is around late January every year. It is a late-maturing variety of mandarin orange. It starts from mid-January. It can be picked from late to March.

2. Emperor Mandarin: The maturity period is around October every year, and the suitable picking period is from mid-October to the end of December.

5. Different distribution ranges

1. Guifei Mandarin: Originated in Japan, it is now cultivated in Meishan, Pujiang, Ziyang and other areas of Sichuan in my country.

2. Emperor Mandarin: Mainly distributed in Guangxi and Guangdong regions of my country. It is grown in Zhaoqing, Lianzhou, Yunfu, Foshan (Gaoming), Jiangmen, Shaoguan, Wuzhou and Hezhou of Guangxi.