A guide tree whose branches form right angles to the trunk and grow only in the north-south direction. The leaves turn south in dry conditions.
A boy always appears in Xia Nan's dreams. Who is he?
[If we were not separated, would you love me more]
[First of all, there are no ifs in the world. Secondly, I will always love you]
Double standard iceberg×nuanyang
Purpose: Popularizing plant knowledge