1. Origin: Hunan Carya cathayensis sarg is mainly produced in Hunan Province, and Lin 'an Carya cathayensis kernel is mainly produced in Lin 'an City, Zhejiang Province.
2. Appearance characteristics: There are some differences in appearance between Hunan hickory kernel and Lin 'an hickory kernel, such as size, shape and color.
3. Taste and flavor: Because of the different growing environments and varieties, Hunan Carya cathayensis and Lin 'an Carya cathayensis have different tastes and flavors.