1. Naming source: The official hat was named after its shape was similar to the hat worn by the Ming officials when they went to court, while Ding Long was named after the mane of the lion in front of the old yamen.
2. Shape characteristics: The shape characteristics of Ding Long are short and steep, with tight and square tail and wide and straight ribs, mostly two ribs, which can be divided into coarse grain, thin and high piles and short piles. The official hat is short and solemn in shape, dot-netted, wide and straight, and pointed.
3. Taxonomy: Taxonomically, Ding Long belongs to the plant kingdom, angiosperms, dicotyledonous plants, Agavaceae and Ding Long, while the official hat belongs to the animal kingdom, chordates, mammals, carnivores, cats and official hats (here refers to the "official hat" among cats).
4. Ecological habits: Ding Long mainly grows in areas above 1500m above sea level, likes sunny environment, and has low requirements for soil and strong adaptability. The official hat lives at an altitude of100-3500m, likes a cool and dry environment, is cold-resistant and heat-resistant, and can grow in semi-shade.
To sum up, there are significant differences between Ding Long and Guanmao in naming sources, morphological characteristics, taxonomy and ecological habits.