What were the 2 things about hannibal that concerned the carthaginian senate against hannibal?

He was war hungry and very determined to keep up his promise to his father.

This is true. Although there were some similarities and ideas with some other systems, he was the first one to formalize it in a book that was published in  1753 called Species Plantarum. He did adopt many other aspects regarding names from other scientists that worked as much as a century before him.