What does "Cornus" mean in the poem?

The meaning of "Cornus" in the poem is a plant that is worn during the Double Ninth Festival. In ancient times, people believed that wearing a dogwood on the Double Ninth Festival could ward off disasters and overcome evil spirits. It stands out here that the brothers who were far away from their hometown all wore dogwood on their bodies when they climbed up today, but they found that one brother was missing-he was not among them.

It seems that what I regret is not that I was unable to spend the holiday with my brothers in my hometown, but that my brothers were not able to fully reunite during the holiday; it seems that my situation of being a stranger in a foreign land is not worth telling, but it is It is the shortcomings of brothers that require more consideration. This is twists and turns, unexpected. And this kind of unexpectedness is its depth, the new police department.

Extended information:

"Remembering Shandong Brothers on September 9th" is a poem written by Wang Wei, a poet of the Tang Dynasty. This poem expresses the homesickness of a wanderer. The poem focuses closely on the title at the beginning, describing the loneliness and desolation of life in a foreign land. Therefore, I miss my hometown and people all the time, and when I encounter a good festival, I miss you even more.

Then the poem leaps to write about the brothers who are far away in their hometown. When they climb high according to the custom of Double Ninth Festival, they also miss themselves. The poetry jumps repeatedly, is implicit and deep, is simple and natural, and has twists and turns. Among them, "I miss my loved ones even more during the festive season" is a famous saying through the ages.