The difference between celery and cress is: different petals, different inflorescences and different leaves.

1. Different petals

1. Apium graveolens: Apium graveolens petals are yellow-green, oval, about 1 mm long and .8 mm wide.

2. Oenanthe javanica: The petals of Oenanthe javanica are white, obovate, 1 mm long and .7 mm wide.

Second, the inflorescences are different

1. Apium graveolens: Apium graveolens have 7-29 flowers, the pedicel is 1-1.5 mm long, and the calyx teeth are small or inconspicuous.

2. Oenanthe javanica: There are more than 2 flowers in the umbel of Oenanthe javanica, and the flower stalk is 2-4 mm long. The calyx teeth are linear and lanceolate, and the length is equal to the style base.

Third, the leaves are different

1. Apium graveolens: The outline of the leaves of Apium graveolens is oblong to obovate, 7-18 cm long and 3.5-8 cm wide, usually 3-cleft to the middle or 3-cleft, with nearly rhombic lobes, rounded or serrated edges and raised veins on both sides.

2. Oenanthe javanica: Oenanthe javanica leaves are triangular in outline, with 1-3 pinnate splits, and the last lobes are ovate to rhombic-lanceolate, 2-5 cm long and 1-2 cm wide, with teeth or crenate serrations at the edge.

Baidu encyclopedia-celery

Baidu encyclopedia-cress.