Clerodendrum infortunatum, the hill glory bower, is a perennial shrub belonging to the family Lamiaceae, also sometimes classified under Verbenaceae. It is the type species among ~400 species of "Clerodendrum". It is one of the most well-known natural health remedies in traditional practices and siddha medicine.

Based on the paragraph above can we conclude that "All perennial shrubs can be classified as Clerodendrum."?
No