Treatise on Pharmaceutical Botany and Pharmacognosy
- Abies - A genus of coniferous trees in the family Pinaceae, comprising approximately 50 species generically known as firs. In pharmacognosy, phytotherapy, and historical clinical medicine, the genus Abies is recognized for producing oleoresins and volatile oils rich in pinene, limonene, and terebinthic acids, extensively used in manufacturing revulsive ointments, regenerating pectoral balms, and antiseptics for the respiratory and urinary tracts.