The main characteristics of celery seeds include their appearance, physical characteristics, germination conditions and application value.
The celery seeds are pachyrenic in appearance, flat on the side, about 1.5 mm long and 0.8 mm wide. The surface is grayish brown to dark brown, the fruit rims are filamentous, and the conjoint surface is arcuate. The seeds have the unique aroma of celery, taste cold and bitter, slightly hemp tongue