1、 Leaf difference

The leaves of Cornus officinalis are opposite and papery. The shape of the leaves is ovate lanceolate or ovate oval, 5.5 to 10 cm long and 2.5 to 4.5 cm wide. The apex of the leaves gradually becomes sharp, and the base is wide wedge-shaped or nearly circular. The leaves are whole, green above and light green below

The leaves of Evodia rutaecarpa have 5 to 11 small pieces. The leaflets are thin or thick paper. The leaves are oval, oval or lanceolate, 6 to 18 cm long and 3 to 7 cm wide. The leaves are full or nearly shallow wavy. There are villi on both sides of the leaflets and the leaf axis

2、 Flower difference

Cornus umbels grow on the side of branches, with 4 petals, tongue shaped lanceolate, 3.3 mm long and yellow

The inflorescence of Evodia rutaecarpa is terminal. The sepals and petals of the flowers are 5. The petals are 3 to 5 mm long, and the ventral surface of the petals is villous

3、 Fruit difference

The stone fruit of Cornus officinalis is long oval, red or purplish red, 1.2 to 1.7 cm long and 5 to 7 mm in diameter

Evodia rutaecarpa is 3 to 12 cm wide. When the fruit is mature, it is dark purplish red with oil spots