Kursus ini merangkumi pengetahuan semasa mengenai komposisi sebatian kimia semulajadi dalam takson tumbuhan. Taburan, kepelbagaian struktur, kepentingan ekonomi dan peranan sebatian kimia tersebut dalam evolusi di pelbagai peringkat taksonomi tumbuhan d(The course comprises current knowledge on the chemical composition of plant taxa. Distribution, function, diversity of structure, economic importance and the role chemical compounds in evolution of various stages of plant taxonomy are discussed.)