in medicine: the origins of pharmacognosy
Chapter 1 Plants in medicine the origins of pharmacognosy The universal role of plants in the treatment of disease is exemplified by their employment in all the major systems of…
nomenclature and taxonomy
Chapter 3 Plant nomenclature and taxonomy BOTANICAL NOMENCLATURE 8 SUBDIVISIONS OF THE PHYLA 8 BOTANICAL SYSTEMS OF CLASSIFICATION 9 TAXONOMIC CHARACTERS 9 CHEMICAL PLANT TAXONOMY 10 BOTANICAL NOMENCLATURE Before the…
and geographical sources of drugs
Chapter 4 Biological and geographical sources of drugs GEOGRAPHICAL SOURCES 16 Current estimates of the number of species of flowering plants range between 200 000 and 250 000 in some…
